85904524 has 6 divisors (see below), whose sum is σ = 150332924. Its totient is φ = 42952260.

The previous prime is 85904509. The next prime is 85904527. The reversal of 85904524 is 42540958.

It is not an unprimeable number, because it can be changed into a prime (85904527) by changing a digit.

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 as a sum of consecutive naturals, namely, 10738062 + ... + 10738069.

Almost surely, 2^85904524 is an apocalyptic number.

It is an amenable number.

85904524 is a deficient number, since it is larger than the sum of its proper divisors (64428400).

85904524 is a wasteful number, since it uses less digits than its factorization.

85904524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476135 (or 21476133 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85904524 is about 9268.4693450429. The cubic root of 85904524 is about 441.2370902016.

The spelling of 85904524 in words is "eighty-five million, nine hundred four thousand, five hundred twenty-four".