86907156 has 48 divisors (see below), whose sum is σ = 241833984. Its totient is φ = 23750496.

The previous prime is 86907131. The next prime is 86907173. The reversal of 86907156 is 65170968.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 20560 + ... + 24423.

It is an arithmetic number, because the mean of its divisors is an integer number (5038208).

Almost surely, 2^86907156 is an apocalyptic number.

It is an amenable number.

86907156 is an abundant number, since it is smaller than the sum of its proper divisors (154926828).

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

86907156 is a wasteful number, since it uses less digits than its factorization.

86907156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45020 (or 45018 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 86907156 is about 9322.4007637518. The cubic root of 86907156 is about 442.9470830062.

The spelling of 86907156 in words is "eighty-six million, nine hundred seven thousand, one hundred fifty-six".