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86876664 = 233717191601
BaseRepresentation
bin1010010110110…
…10000111111000
320001110210101020
411023122013320
5134220023124
612342022440
72103303510
oct513320770
9201423336
1086876664
11450487a6
1225117a20
1314cca414
14b776840
157961379
hex52da1f8

86876664 has 128 divisors (see below), whose sum is σ = 276825600. Its totient is φ = 22118400.

The previous prime is 86876659. The next prime is 86876677. The reversal of 86876664 is 46667868.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53464 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (2162700).

Almost surely, 286876664 is an apocalyptic number.

86876664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86876664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138412800).

86876664 is an abundant number, since it is smaller than the sum of its proper divisors (189948936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86876664 is a wasteful number, since it uses less digits than its factorization.

86876664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 86876664 is about 9320.7652046385. The cubic root of 86876664 is about 442.8952732245.

It can be divided in two parts, 8687 and 6664, that added together give a palindrome (15351).

The spelling of 86876664 in words is "eighty-six million, eight hundred seventy-six thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 17 19 21 24 28 34 38 42 51 56 57 68 76 84 102 114 119 133 136 152 168 204 228 238 266 323 357 399 408 456 476 532 646 714 798 952 969 1064 1292 1428 1596 1601 1938 2261 2584 2856 3192 3202 3876 4522 4803 6404 6783 7752 9044 9606 11207 12808 13566 18088 19212 22414 27132 27217 30419 33621 38424 44828 54264 54434 60838 67242 81651 89656 91257 108868 121676 134484 163302 182514 190519 212933 217736 243352 268968 326604 365028 381038 425866 517123 571557 638799 653208 730056 762076 851732 1034246 1143114 1277598 1524152 1551369 1703464 2068492 2286228 2555196 3102738 3619861 4136984 4572456 5110392 6205476 7239722 10859583 12410952 14479444 21719166 28958888 43438332 86876664