85364872 has 32 divisors (see below), whose sum is σ = 170640000. Its totient is φ = 39918528.

The previous prime is 85364869. The next prime is 85364879. The reversal of 85364872 is 27846358.

It is a super-2 number, since 2×85364872² = 14574322743152768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85364879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8454 + ... + 15562.

It is an arithmetic number, because the mean of its divisors is an integer number (5332500).

Almost surely, 2^85364872 is an apocalyptic number.

It is an amenable number.

85364872 is a deficient number, since it is larger than the sum of its proper divisors (85275128).

85364872 is a wasteful number, since it uses less digits than its factorization.

85364872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213 (or 7209 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 85364872 is about 9239.3112297400. The cubic root of 85364872 is about 440.3111985796.

The spelling of 85364872 in words is "eighty-five million, three hundred sixty-four thousand, eight hundred seventy-two".