79575939 has 12 divisors (see below), whose sum is σ = 119200536. Its totient is φ = 53050464.

The previous prime is 79575917. The next prime is 79575953. The reversal of 79575939 is 93957597.

It is not a de Polignac number, because 79575939 - 2⁹ = 79575427 is a prime.

It is a super-3 number, since 3×79575939³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79575539) 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, 163494 + ... + 163979.

It is an arithmetic number, because the mean of its divisors is an integer number (9933378).

Almost surely, 2^79575939 is an apocalyptic number.

79575939 is a deficient number, since it is larger than the sum of its proper divisors (39624597).

79575939 is an equidigital number, since it uses as much as digits as its factorization.

79575939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327488 (or 327476 counting only the distinct ones).

The product of its digits is 2679075, while the sum is 54.

The square root of 79575939 is about 8920.5346812845. The cubic root of 79575939 is about 430.1242456902.

The spelling of 79575939 in words is "seventy-nine million, five hundred seventy-five thousand, nine hundred thirty-nine".