85656004 has 12 divisors (see below), whose sum is σ = 171312064. Its totient is φ = 36709704.

The previous prime is 85656001. The next prime is 85656019. The reversal of 85656004 is 40065658.

85656004 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85656001) 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, 1529544 + ... + 1529599.

Almost surely, 2^85656004 is an apocalyptic number.

It is an amenable number.

85656004 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.

85656004 is a wasteful number, since it uses less digits than its factorization.

85656004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059154 (or 3059152 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 85656004 is about 9255.0528901784. The cubic root of 85656004 is about 440.8111826505.

The spelling of 85656004 in words is "eighty-five million, six hundred fifty-six thousand, four".