79930156 has 24 divisors (see below), whose sum is σ = 144295200. Its totient is φ = 38716800.

The previous prime is 79930139. The next prime is 79930157. The reversal of 79930156 is 65103997.

It is not an unprimeable number, because it can be changed into a prime (79930157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22801 + ... + 26071.

It is an arithmetic number, because the mean of its divisors is an integer number (6012300).

Almost surely, 2^79930156 is an apocalyptic number.

It is an amenable number.

79930156 is a deficient number, since it is larger than the sum of its proper divisors (64365044).

79930156 is a wasteful number, since it uses less digits than its factorization.

79930156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 79930156 is about 8940.3666591477. The cubic root of 79930156 is about 430.7615062161.

The spelling of 79930156 in words is "seventy-nine million, nine hundred thirty thousand, one hundred fifty-six".