85128604 has 48 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 37094400.

The previous prime is 85128581. The next prime is 85128613. The reversal of 85128604 is 40682158.

It is a self number, because there is not a number n which added to its sum of digits gives 85128604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189372 + ... + 189820.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^85128604 is an apocalyptic number.

It is an amenable number.

85128604 is a deficient number, since it is larger than the sum of its proper divisors (84215396).

85128604 is a wasteful number, since it uses less digits than its factorization.

85128604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 85128604 is about 9226.5163523401. The cubic root of 85128604 is about 439.9046005294.

The spelling of 85128604 in words is "eighty-five million, one hundred twenty-eight thousand, six hundred four".