85879504 has 20 divisors (see below), whose sum is σ = 169532676. Its totient is φ = 42129152.

The previous prime is 85879499. The next prime is 85879513. The reversal of 85879504 is 40597858.

It can be written as a sum of positive squares in 2 ways, for example, as 74857104 + 11022400 = 8652^2 + 3320^2 .

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, 49789 + ... + 51484.

Almost surely, 2^85879504 is an apocalyptic number.

It is an amenable number.

85879504 is a deficient number, since it is larger than the sum of its proper divisors (83653172).

85879504 is a wasteful number, since it uses less digits than its factorization.

85879504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101334 (or 101328 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 85879504 is about 9267.1195093190. The cubic root of 85879504 is about 441.1942487483.

The spelling of 85879504 in words is "eighty-five million, eight hundred seventy-nine thousand, five hundred four".