86559928 has 32 divisors (see below), whose sum is σ = 199755360. Its totient is φ = 34243200.

The previous prime is 86559919. The next prime is 86559931. The reversal of 86559928 is 82995568.

It is a super-2 number, since 2×86559928² = 14985242270730368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58723 + ... + 60178.

It is an arithmetic number, because the mean of its divisors is an integer number (6242355).

Almost surely, 2^86559928 is an apocalyptic number.

It is an amenable number.

86559928 is an abundant number, since it is smaller than the sum of its proper divisors (113195432).

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

86559928 is a wasteful number, since it uses less digits than its factorization.

86559928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118927 (or 118923 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The square root of 86559928 is about 9303.7588102874. The cubic root of 86559928 is about 442.3563801310.

The spelling of 86559928 in words is "eighty-six million, five hundred fifty-nine thousand, nine hundred twenty-eight".