79138056 has 32 divisors (see below), whose sum is σ = 199700640. Its totient is φ = 26131968.

The previous prime is 79138051. The next prime is 79138061. The reversal of 79138056 is 65083197.

It is an interprime number because it is at equal distance from previous prime (79138051) and next prime (79138061).

It is not an unprimeable number, because it can be changed into a prime (79138051) 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, 12841 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (6240645).

Almost surely, 2^79138056 is an apocalyptic number.

It is an amenable number.

79138056 is an abundant number, since it is smaller than the sum of its proper divisors (120562584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79138056 is a wasteful number, since it uses less digits than its factorization.

79138056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933 (or 30929 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 79138056 is about 8895.9572840701. The cubic root of 79138056 is about 429.3338450371. Note that the first 3 decimals are identical.

The spelling of 79138056 in words is "seventy-nine million, one hundred thirty-eight thousand, fifty-six".