86865732 has 36 divisors (see below), whose sum is σ = 220199980. Its totient is φ = 28873152.

The previous prime is 86865673. The next prime is 86865761. The reversal of 86865732 is 23756868.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 64738116 = 4704^2 + 8046^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10194 + ... + 16662.

Almost surely, 2^86865732 is an apocalyptic number.

It is an amenable number.

86865732 is an abundant number, since it is smaller than the sum of its proper divisors (133334248).

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

86865732 is a wasteful number, since it uses less digits than its factorization.

86865732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852 (or 6847 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 86865732 is about 9320.1787536506. The cubic root of 86865732 is about 442.8766954154.

The spelling of 86865732 in words is "eighty-six million, eight hundred sixty-five thousand, seven hundred thirty-two".