85804664 has 16 divisors (see below), whose sum is σ = 175509720. Its totient is φ = 39002080.

The previous prime is 85804643. The next prime is 85804699. The reversal of 85804664 is 46640858.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487439 + ... + 487614.

Almost surely, 2^85804664 is an apocalyptic number.

It is an amenable number.

85804664 is an abundant number, since it is smaller than the sum of its proper divisors (89705056).

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

85804664 is a wasteful number, since it uses less digits than its factorization.

85804664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975070 (or 975066 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 85804664 is about 9263.0806970467. The cubic root of 85804664 is about 441.0660514013.

It can be divided in two parts, 85804 and 664, that added together give a palindrome (86468).

The spelling of 85804664 in words is "eighty-five million, eight hundred four thousand, six hundred sixty-four".