79538329 has 12 divisors (see below), whose sum is σ = 89102700. Its totient is φ = 70883904.

The previous prime is 79538323. The next prime is 79538339. The reversal of 79538329 is 92383597.

It can be written as a sum of positive squares in 6 ways, for example, as 328329 + 79210000 = 573^2 + 8900^2 .

It is not a de Polignac number, because 79538329 - 2⁵ = 79538297 is a prime.

It is a super-2 number, since 2×79538329² = 12652691560224482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79538323) 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, 3214 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (7425225).

Almost surely, 2^79538329 is an apocalyptic number.

It is an amenable number.

79538329 is a deficient number, since it is larger than the sum of its proper divisors (9564371).

79538329 is a wasteful number, since it uses less digits than its factorization.

79538329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16284 (or 16271 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 79538329 is about 8918.4263746470. The cubic root of 79538329 is about 430.0564717612.

The spelling of 79538329 in words is "seventy-nine million, five hundred thirty-eight thousand, three hundred twenty-nine".