The number 86783 is a five-digit integer. Here are a few facts about it:

• Parity: Odd
• Digits: 8, 6, 7, 8, 3
• Sum of digits: 8 + 6 + 7 + 8 + 3 = 32
• Divisibility: Not divisible by 2, 3 (32 not divisible by 3), or 5.
• Prime factorization:
  Let's check: 86783 ÷ 7 = 12397.57… not integer.
  ÷ 11: (8−6+7−8+3) = 4 → not divisible by 11.
  ÷ 13: 13 × 6675 = 86775, remainder 8 → no.
  ÷ 17: 17 × 5105 = 86785 → no.
  ÷ 19: 19 × 4567 = 86773, remainder 10 → no.
  ÷ 23: 23 × 3773 = 86779, remainder 4 → no.
  ÷ 29: 29 × 2992 = 86768, remainder 15 → no.
  ÷ 31: 31 × 2799 = 86769, remainder 14 → no.
  ÷ 37: 37 × 2345 = 86765, remainder 18 → no.
  ÷ 41: 41 × 2117 = 86797 → too big; 41 × 2116 = 86756, remainder 27 → no.
  ÷ 43: 43 × 2018 = 86774, remainder 9 → no.
  ÷ 47: 47 × 1846 = 86762, remainder 21 → no.
  ÷ 53: 53 × 1637 = 86761, remainder 22 → no.
  ÷ 59: 59 × 1471 = 86789 → too big; 59 × 1470 = 86730, remainder 53 → no.
  ÷ 61: 61 × 1423 = 86803 → too big; 61 × 1422 = 86742, remainder 41 → no.
  ÷ 67: 67 × 1295 = 86765, remainder 18 → no.
  ÷ 71: 71 × 1222 = 86762, remainder 21 → no.
  ÷ 73: 73 × 1189 = 86797 → too big; 73 × 1188 = 86724, remainder 59 → no.
  ÷ 79: 79 × 1099 = 86821 → too big; 79 × 1098 = 86742, remainder 41 → no.
  ÷ 83: 83 × 1046 = 86818 → too big; 83 × 1045 = 86735, remainder 48 → no.
  ÷ 89: 89 × 975 = 86775, remainder 8 → no.
  ÷ 97: 97 × 894 = 86718, remainder 65 → no.
  ÷ 101: 101 × 859 = 86759, remainder 24 → no.
  ÷ 103: 103 × 842 = 86726, remainder 57 → no.
  ÷ 107: 107 × 811 = 86777, remainder 6 → no.
  ÷ 109: 109 × 796 = 86764, remainder 19 → no.
  ÷ 113: 113 × 768 = 86784 → too big; 113 × 767 = 86671, remainder 112 → no.
  ÷ 127: 127 × 683 = 86741, remainder 42 → no.
  ÷ 131: 131 × 662 = 86722, remainder 61 → no.
  ÷ 137: 137 × 633 = 86721, remainder 62 → no.
  ÷ 139: 139 × 624 = 86736, remainder 47 → no.
  ÷ 149: 149 × 582 = 86718, remainder 65 → no.
  ÷ 151: 151 × 574 = 86674, remainder 109 → no.
  ÷ 157: 157 × 553 = 86821 → too big; 157 × 552 = 86664, remainder 119 → no.
  ÷ 163: 163 × 532 = 86716, remainder 67 → no.
  ÷ 167: 167 × 520 = 86840 → too big; 167 × 519 = 86673, remainder 110 → no.
  ÷ 173: 173 × 501 = 86673, remainder 110 → no.
  ÷ 179: 179 × 485 = 86815 → too big; 179 × 484 = 86636, remainder 147 → no.
  ÷ 181: 181 × 479 = 86699, remainder 84 → no.
  ÷ 191: 191 × 454 = 86714, remainder 69 → no.
  ÷ 193: 193 × 450 = 86850 → too big; 193 × 449 = 86657, remainder 126 → no.
  ÷ 197: 197 × 440 = 86680, remainder 103 → no.
  ÷ 199: 199 × 436 = 86764, remainder 19 → no.
  ÷ 211: 211 × 411 = 86721, remainder 62 → no.
  ÷ 223: 223 × 389 = 86747, remainder 36 → no.
  ÷ 227: 227 × 382 = 86714, remainder 69 → no.
  ÷ 229: 229 × 379 = 86791 → too big; 229 × 378 = 86562, remainder 221 → no.
  ÷ 233: 233 × 372 = 86676, remainder 107 → no.
  ÷ 239: 239 × 363 = 86757, remainder 26 → no.
  ÷ 241: 241 × 360 = 86760, remainder 23 → no.
  ÷ 251: 251 × 346 = 86846 → too big; 251 × 345 = 86595, remainder 188 → no.
  ÷ 257: 257 × 338 = 86866 → too big; 257 × 337 = 86609, remainder 174 → no.
  ÷ 263: 263 × 330 = 86790 → too big; 263 × 329 = 86527, remainder 256 → no.
  ÷ 269: 269 × 322 = 86618, remainder 165 → no.
  ÷ 271: 271 × 320 = 86720, remainder 63 → no.
  ÷ 277: 277 × 313 = 86701, remainder 82 → no.
  ÷ 281: 281 × 309 = 86829 → too big; 281 × 308 = 86548, remainder 235 → no.
  ÷ 283: 283 × 307 = 86881 → too big; 283 × 306 = 86598, remainder 185 → no.
  ÷ 293: 293 × 296 = 86728, remainder 55 → no.

We only need to check divisors up to √86783 ≈ 294.6. Since none of the tested primes divide it, 86783 is prime.

So:
86783 is a prime number.