79136736672 has 96 divisors (see below), whose sum is σ = 241302305664. Its totient is φ = 22239820800.

The previous prime is 79136736661. The next prime is 79136736673. The reversal of 79136736672 is 27663763197.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (79136736673) 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, 924279 + ... + 1006262.

It is an arithmetic number, because the mean of its divisors is an integer number (2513565684).

Almost surely, 2^79136736672 is an apocalyptic number.

It is an amenable number.

79136736672 is an abundant number, since it is smaller than the sum of its proper divisors (162165568992).

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

79136736672 is a wasteful number, since it uses less digits than its factorization.

79136736672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930622 (or 1930614 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 57.

The spelling of 79136736672 in words is "seventy-nine billion, one hundred thirty-six million, seven hundred thirty-six thousand, six hundred seventy-two".