85186912 has 24 divisors (see below), whose sum is σ = 170013816. Its totient is φ = 42008832.

The previous prime is 85186909. The next prime is 85186921. The reversal of 85186912 is 21968158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15898 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (7083909).

Almost surely, 2^85186912 is an apocalyptic number.

It is an amenable number.

85186912 is a deficient number, since it is larger than the sum of its proper divisors (84826904).

85186912 is a wasteful number, since it uses less digits than its factorization.

85186912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36550 (or 36542 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 85186912 is about 9229.6756172685. The cubic root of 85186912 is about 440.0050137170.

The spelling of 85186912 in words is "eighty-five million, one hundred eighty-six thousand, nine hundred twelve".