86653664 has 24 divisors (see below), whose sum is σ = 174763008. Its totient is φ = 42269440.

The previous prime is 86653663. The next prime is 86653669. The reversal of 86653664 is 46635668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86653663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31712 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (7281792).

Almost surely, 2^86653664 is an apocalyptic number.

It is an amenable number.

86653664 is an abundant number, since it is smaller than the sum of its proper divisors (88109344).

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

86653664 is a wasteful number, since it uses less digits than its factorization.

86653664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66098 (or 66090 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 86653664 is about 9308.7949810918. The cubic root of 86653664 is about 442.5159988683.

The spelling of 86653664 in words is "eighty-six million, six hundred fifty-three thousand, six hundred sixty-four".