85604475 has 36 divisors (see below), whose sum is σ = 155585528. Its totient is φ = 41500800.

The previous prime is 85604471. The next prime is 85604483. The reversal of 85604475 is 57440658.

It is not a de Polignac number, because 85604475 - 2² = 85604471 is a prime.

It is a super-2 number, since 2×85604475² = 14656252280051250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85604471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4359 + ... + 13791.

Almost surely, 2^85604475 is an apocalyptic number.

85604475 is a deficient number, since it is larger than the sum of its proper divisors (69981053).

85604475 is a wasteful number, since it uses less digits than its factorization.

85604475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 85604475 is about 9252.2686407173. The cubic root of 85604475 is about 440.7227704172.

The spelling of 85604475 in words is "eighty-five million, six hundred four thousand, four hundred seventy-five".