79578312 has 96 divisors (see below), whose sum is σ = 222482400. Its totient is φ = 23696640.

The previous prime is 79578299. The next prime is 79578319. The reversal of 79578312 is 21387597.

It is not an unprimeable number, because it can be changed into a prime (79578319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194364 + ... + 194772.

It is an arithmetic number, because the mean of its divisors is an integer number (2317525).

Almost surely, 2^79578312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79578312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111241200).

79578312 is an abundant number, since it is smaller than the sum of its proper divisors (142904088).

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

79578312 is a wasteful number, since it uses less digits than its factorization.

79578312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 492 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 79578312 is about 8920.6676880153. The cubic root of 79578312 is about 430.1285211647.

The spelling of 79578312 in words is "seventy-nine million, five hundred seventy-eight thousand, three hundred twelve".