79239875 has 72 divisors (see below), whose sum is σ = 121500288. Its totient is φ = 51480000.

The previous prime is 79239871. The next prime is 79239877. The reversal of 79239875 is 57893297.

It is a happy number.

It is not a de Polignac number, because 79239875 - 2² = 79239871 is a prime.

It is a super-3 number, since 3×79239875³ (a number of 25 digits) contains 333 as substring.

Its product of digits (952560) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (79239871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2556110 + ... + 2556140.

It is an arithmetic number, because the mean of its divisors is an integer number (1687504).

Almost surely, 2^79239875 is an apocalyptic number.

79239875 is a deficient number, since it is larger than the sum of its proper divisors (42260413).

79239875 is a wasteful number, since it uses less digits than its factorization.

79239875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 60 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 79239875 is about 8901.6782125619. The cubic root of 79239875 is about 429.5178930613.

The spelling of 79239875 in words is "seventy-nine million, two hundred thirty-nine thousand, eight hundred seventy-five".