79499956 has 24 divisors (see below), whose sum is σ = 147711816. Its totient is φ = 37309440.

The previous prime is 79499951. The next prime is 79499957. The reversal of 79499956 is 65999497.

It can be written as a sum of positive squares in 4 ways, for example, as 4900 + 79495056 = 70^2 + 8916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79499956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79499951) 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 7 ways as a sum of consecutive naturals, for example, 27240 + ... + 30016.

It is an arithmetic number, because the mean of its divisors is an integer number (6154659).

Almost surely, 2^79499956 is an apocalyptic number.

It is an amenable number.

79499956 is a deficient number, since it is larger than the sum of its proper divisors (68211860).

79499956 is a wasteful number, since it uses less digits than its factorization.

79499956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 3217 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 58.

The square root of 79499956 is about 8916.2747826657. The cubic root of 79499956 is about 429.9873008689.

The spelling of 79499956 in words is "seventy-nine million, four hundred ninety-nine thousand, nine hundred fifty-six".