86902172 has 12 divisors (see below), whose sum is σ = 173804400. Its totient is φ = 37243776.

The previous prime is 86902171. The next prime is 86902177. The reversal of 86902172 is 27120968.

It is a happy number.

86902172 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86902171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551797 + ... + 1551852.

It is an arithmetic number, because the mean of its divisors is an integer number (14483700).

Almost surely, 2^86902172 is an apocalyptic number.

It is an amenable number.

86902172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86902172 is a wasteful number, since it uses less digits than its factorization.

86902172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103660 (or 3103658 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 86902172 is about 9322.1334468028. The cubic root of 86902172 is about 442.9386153857.

The spelling of 86902172 in words is "eighty-six million, nine hundred two thousand, one hundred seventy-two".