79839312 has 80 divisors (see below), whose sum is σ = 237699072. Its totient is φ = 22619520.

The previous prime is 79839299. The next prime is 79839329. The reversal of 79839312 is 21393897.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41737 + ... + 43607.

Almost surely, 2^79839312 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 79839312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118849536).

79839312 is an abundant number, since it is smaller than the sum of its proper divisors (157859760).

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

79839312 is a wasteful number, since it uses less digits than its factorization.

79839312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2010 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 79839312 is about 8935.2846625052. The cubic root of 79839312 is about 430.5982514669.

The spelling of 79839312 in words is "seventy-nine million, eight hundred thirty-nine thousand, three hundred twelve".