86977164 has 24 divisors (see below), whose sum is σ = 205728880. Its totient is φ = 28594944.

The previous prime is 86977159. The next prime is 86977171. The reversal of 86977164 is 46177968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48769 + ... + 50520.

Almost surely, 2^86977164 is an apocalyptic number.

It is an amenable number.

86977164 is an abundant number, since it is smaller than the sum of its proper divisors (118751716).

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

86977164 is a wasteful number, since it uses less digits than its factorization.

86977164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99369 (or 99367 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 86977164 is about 9326.1548346572. The cubic root of 86977164 is about 443.0659896567.

The spelling of 86977164 in words is "eighty-six million, nine hundred seventy-seven thousand, one hundred sixty-four".