79292979 has 16 divisors (see below), whose sum is σ = 118638240. Its totient is φ = 52336800.

The previous prime is 79292977. The next prime is 79292987. The reversal of 79292979 is 97929297.

It is not a de Polignac number, because 79292979 - 2¹ = 79292977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79292977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11812 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (7414890).

Almost surely, 2^79292979 is an apocalyptic number.

79292979 is a deficient number, since it is larger than the sum of its proper divisors (39345261).

79292979 is a wasteful number, since it uses less digits than its factorization.

79292979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29187 (or 29181 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 79292979 is about 8904.6605213225. The cubic root of 79292979 is about 429.6138212993.

The spelling of 79292979 in words is "seventy-nine million, two hundred ninety-two thousand, nine hundred seventy-nine".