86866688 has 18 divisors (see below), whose sum is σ = 173394564. Its totient is φ = 43433216.

The previous prime is 86866679. The next prime is 86866697. The reversal of 86866688 is 88666868.

It is an interprime number because it is at equal distance from previous prime (86866679) and next prime (86866697).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169406 + ... + 169917.

Almost surely, 2^86866688 is an apocalyptic number.

It is an amenable number.

86866688 is a deficient number, since it is larger than the sum of its proper divisors (86527876).

86866688 is an equidigital number, since it uses as much as digits as its factorization.

86866688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339339 (or 339325 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 56.

The square root of 86866688 is about 9320.2300400795. The cubic root of 86866688 is about 442.8783201012.

The spelling of 86866688 in words is "eighty-six million, eight hundred sixty-six thousand, six hundred eighty-eight".