79319079 has 12 divisors (see below), whose sum is σ = 130939536. Its totient is φ = 45325152.

The previous prime is 79319077. The next prime is 79319113. The reversal of 79319079 is 97091397.

It is not a de Polignac number, because 79319079 - 2¹ = 79319077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79319077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629454 + ... + 629579.

It is an arithmetic number, because the mean of its divisors is an integer number (10911628).

Almost surely, 2^79319079 is an apocalyptic number.

79319079 is a deficient number, since it is larger than the sum of its proper divisors (51620457).

79319079 is a wasteful number, since it uses less digits than its factorization.

79319079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259046 (or 1259043 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 79319079 is about 8906.1259254515. The cubic root of 79319079 is about 429.6609532179.

The spelling of 79319079 in words is "seventy-nine million, three hundred nineteen thousand, seventy-nine".