86609664 has 54 divisors (see below), whose sum is σ = 249723656. Its totient is φ = 28869120.

The previous prime is 86609659. The next prime is 86609669. The reversal of 86609664 is 46690668.

It is an interprime number because it is at equal distance from previous prime (86609659) and next prime (86609669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86609669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16492 + ... + 21099.

Almost surely, 2^86609664 is an apocalyptic number.

It is an amenable number.

86609664 is an abundant number, since it is smaller than the sum of its proper divisors (163113992).

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

86609664 is a wasteful number, since it uses less digits than its factorization.

86609664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37613 (or 37596 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 86609664 is about 9306.4313246271. The cubic root of 86609664 is about 442.4410876277.

The spelling of 86609664 in words is "eighty-six million, six hundred nine thousand, six hundred sixty-four".