85568404 has 12 divisors (see below), whose sum is σ = 149905728. Its totient is φ = 42738200.

The previous prime is 85568393. The next prime is 85568411. The reversal of 85568404 is 40486558.

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, 7132 + ... + 14899.

It is an arithmetic number, because the mean of its divisors is an integer number (12492144).

Almost surely, 2^85568404 is an apocalyptic number.

It is an amenable number.

85568404 is a deficient number, since it is larger than the sum of its proper divisors (64337324).

85568404 is a wasteful number, since it uses less digits than its factorization.

85568404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23006 (or 23004 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 85568404 is about 9250.3191296301. The cubic root of 85568404 is about 440.6608595398.

The spelling of 85568404 in words is "eighty-five million, five hundred sixty-eight thousand, four hundred four".