79995799902122 has 32 divisors (see below), whose sum is σ = 139192174033920. Its totient is φ = 34176649858560.

The previous prime is 79995799902061. The next prime is 79995799902203. The reversal of 79995799902122 is 22120999759997.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157598247 + ... + 2157635322.

It is an arithmetic number, because the mean of its divisors is an integer number (4349755438560).

Almost surely, 2^{79995799902122} is an apocalyptic number.

79995799902122 is a deficient number, since it is larger than the sum of its proper divisors (59196374131798).

79995799902122 is a wasteful number, since it uses less digits than its factorization.

79995799902122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315233638.

The product of its (nonzero) digits is 1041624360, while the sum is 80.

The spelling of 79995799902122 in words is "seventy-nine trillion, nine hundred ninety-five billion, seven hundred ninety-nine million, nine hundred two thousand, one hundred twenty-two".