86324864 has 32 divisors (see below), whose sum is σ = 172395300. Its totient is φ = 43057152.

The previous prime is 86324857. The next prime is 86324891. The reversal of 86324864 is 46842368.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 1537600 = 9208^2 + 1240^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97994 + ... + 98870.

Almost surely, 2^86324864 is an apocalyptic number.

It is an amenable number.

86324864 is a deficient number, since it is larger than the sum of its proper divisors (86070436).

86324864 is an equidigital number, since it uses as much as digits as its factorization.

86324864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1648 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 86324864 is about 9291.1174785383. The cubic root of 86324864 is about 441.9555929534.

The spelling of 86324864 in words is "eighty-six million, three hundred twenty-four thousand, eight hundred sixty-four".