86656688 has 10 divisors (see below), whose sum is σ = 167897364. Its totient is φ = 43328336.

The previous prime is 86656679. The next prime is 86656693. The reversal of 86656688 is 88665668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2708006 + ... + 2708037.

Almost surely, 2^86656688 is an apocalyptic number.

It is an amenable number.

86656688 is a deficient number, since it is larger than the sum of its proper divisors (81240676).

86656688 is a wasteful number, since it uses less digits than its factorization.

86656688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416051 (or 5416045 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 86656688 is about 9308.9574067132. The cubic root of 86656688 is about 442.5211463822.

The spelling of 86656688 in words is "eighty-six million, six hundred fifty-six thousand, six hundred eighty-eight".