85979264 has 32 divisors (see below), whose sum is σ = 195758400. Its totient is φ = 36847872.

The previous prime is 85979263. The next prime is 85979279. The reversal of 85979264 is 46297958.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (85979261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47084 + ... + 48875.

It is an arithmetic number, because the mean of its divisors is an integer number (6117450).

Almost surely, 2^85979264 is an apocalyptic number.

It is an amenable number.

85979264 is an abundant number, since it is smaller than the sum of its proper divisors (109779136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85979264 is an equidigital number, since it uses as much as digits as its factorization.

85979264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95980 (or 95968 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 85979264 is about 9272.5004179024. The cubic root of 85979264 is about 441.3650171108.

The spelling of 85979264 in words is "eighty-five million, nine hundred seventy-nine thousand, two hundred sixty-four".