86688955 has 16 divisors (see below), whose sum is σ = 110179584. Its totient is φ = 65340000.

The previous prime is 86688947. The next prime is 86688971. The reversal of 86688955 is 55988668.

It is not a de Polignac number, because 86688955 - 2³ = 86688947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86688896 and 86688905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (6886224).

Almost surely, 2^86688955 is an apocalyptic number.

86688955 is a deficient number, since it is larger than the sum of its proper divisors (23490629).

86688955 is a wasteful number, since it uses less digits than its factorization.

86688955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11346.

The product of its digits is 4147200, while the sum is 55.

The square root of 86688955 is about 9310.6903610849. The cubic root of 86688955 is about 442.5760644666.

The spelling of 86688955 in words is "eighty-six million, six hundred eighty-eight thousand, nine hundred fifty-five".