79956039744 has 84 divisors (see below), whose sum is σ = 261919500544. Its totient is φ = 22844581632.

The previous prime is 79956039743. The next prime is 79956039767. The reversal of 79956039744 is 44793065997.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (79956039743) 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 11 ways as a sum of consecutive naturals, for example, 9911152 + ... + 9919215.

Almost surely, 2^79956039744 is an apocalyptic number.

It is an amenable number.

79956039744 is an abundant number, since it is smaller than the sum of its proper divisors (181963460800).

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

79956039744 is a wasteful number, since it uses less digits than its factorization.

79956039744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830392 (or 19830379 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 79956039744 in words is "seventy-nine billion, nine hundred fifty-six million, thirty-nine thousand, seven hundred forty-four".