79313136 has 80 divisors (see below), whose sum is σ = 236008704. Its totient is φ = 22482432.

The previous prime is 79313123. The next prime is 79313137. The reversal of 79313136 is 63131397.

It is a junction number, because it is equal to n+sod(n) for n = 79313097 and 79313106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79313137) 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 in 15 ways as a sum of consecutive naturals, for example, 45171 + ... + 46893.

Almost surely, 2^79313136 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 79313136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118004352).

79313136 is an abundant number, since it is smaller than the sum of its proper divisors (156695568).

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

79313136 is a wasteful number, since it uses less digits than its factorization.

79313136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1872 counting only the distinct ones).

The product of its digits is 10206, while the sum is 33.

The square root of 79313136 is about 8905.7922724483. The cubic root of 79313136 is about 429.6502221351.

The spelling of 79313136 in words is "seventy-nine million, three hundred thirteen thousand, one hundred thirty-six".