79715944 has 128 divisors (see below), whose sum is σ = 201600000. Its totient is φ = 29211840.

The previous prime is 79715899. The next prime is 79715957. The reversal of 79715944 is 44951797.

It is a super-2 number, since 2×79715944² = 12709263455622272, which contains 22 as substring.

Its product of digits (317520) is a multiple of the sum of its prime factors (196).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 79715894 and 79715903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573427 + ... + 573565.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000).

Almost surely, 2^79715944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79715944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100800000).

79715944 is an abundant number, since it is smaller than the sum of its proper divisors (121884056).

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

79715944 is a wasteful number, since it uses less digits than its factorization.

79715944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 178 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 79715944 is about 8928.3785762030. The cubic root of 79715944 is about 430.3763497966.

The spelling of 79715944 in words is "seventy-nine million, seven hundred fifteen thousand, nine hundred forty-four".