86508906 has 16 divisors (see below), whose sum is σ = 188746848. Its totient is φ = 26214800.

The previous prime is 86508889. The next prime is 86508913. The reversal of 86508906 is 60980568.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655305 + ... + 655436.

It is an arithmetic number, because the mean of its divisors is an integer number (11796678).

Almost surely, 2^86508906 is an apocalyptic number.

86508906 is an abundant number, since it is smaller than the sum of its proper divisors (102237942).

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

86508906 is a wasteful number, since it uses less digits than its factorization.

86508906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310757.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 86508906 is about 9301.0163960720. The cubic root of 86508906 is about 442.2694486692.

The spelling of 86508906 in words is "eighty-six million, five hundred eight thousand, nine hundred six".