79718086944 has 576 divisors, whose sum is σ = 256779694080. Its totient is φ = 23348183040.

The previous prime is 79718086919. The next prime is 79718086949. The reversal of 79718086944 is 44968081797.

It is a super-2 number, since 2×79718086944² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79718086949) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 627701409 + ... + 627701535.

It is an arithmetic number, because the mean of its divisors is an integer number (445798080).

Almost surely, 2^79718086944 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 79718086944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128389847040).

79718086944 is an abundant number, since it is smaller than the sum of its proper divisors (177061607136).

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

79718086944 is a wasteful number, since it uses less digits than its factorization.

79718086944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 79718086944 in words is "seventy-nine billion, seven hundred eighteen million, eighty-six thousand, nine hundred forty-four".