79128966960 has 80 divisors (see below), whose sum is σ = 272555338080. Its totient is φ = 21101057280.

The previous prime is 79128966893. The next prime is 79128966967. The reversal of 79128966960 is 6966982197.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×79128966960² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79128966967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18314731 + ... + 18319050.

It is an arithmetic number, because the mean of its divisors is an integer number (3406941726).

Almost surely, 2^79128966960 is an apocalyptic number.

It is an amenable number.

79128966960 is an abundant number, since it is smaller than the sum of its proper divisors (193426371120).

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

79128966960 is a wasteful number, since it uses less digits than its factorization.

79128966960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36633803 (or 36633791 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 79128966960 in words is "seventy-nine billion, one hundred twenty-eight million, nine hundred sixty-six thousand, nine hundred sixty".