79329957 has 32 divisors (see below), whose sum is σ = 124723200. Its totient is φ = 43908480.

The previous prime is 79329949. The next prime is 79329977. The reversal of 79329957 is 75992397.

It is a happy number.

It is not a de Polignac number, because 79329957 - 2³ = 79329949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79329977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171108 + ... + 171570.

It is an arithmetic number, because the mean of its divisors is an integer number (3897600).

Almost surely, 2^79329957 is an apocalyptic number.

It is an amenable number.

79329957 is a deficient number, since it is larger than the sum of its proper divisors (45393243).

79329957 is a wasteful number, since it uses less digits than its factorization.

79329957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its digits is 1071630, while the sum is 51.

The square root of 79329957 is about 8906.7366077593. The cubic root of 79329957 is about 429.6805938822.

The spelling of 79329957 in words is "seventy-nine million, three hundred twenty-nine thousand, nine hundred fifty-seven".