85090504 has 16 divisors (see below), whose sum is σ = 159739020. Its totient is φ = 42493440.

The previous prime is 85090487. The next prime is 85090513. The reversal of 85090504 is 40509058.

It can be written as a sum of positive squares in 2 ways, for example, as 65642404 + 19448100 = 8102^2 + 4410^2 .

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, 1012 + ... + 13084.

Almost surely, 2^85090504 is an apocalyptic number.

It is an amenable number.

85090504 is a deficient number, since it is larger than the sum of its proper divisors (74648516).

85090504 is a wasteful number, since it uses less digits than its factorization.

85090504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960 (or 12956 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 85090504 is about 9224.4514200033. The cubic root of 85090504 is about 439.8389631074.

The spelling of 85090504 in words is "eighty-five million, ninety thousand, five hundred four".