22979688115872 has 48 divisors (see below), whose sum is σ = 60335419983552. Its totient is φ = 7658151444480.

The previous prime is 22979688115861. The next prime is 22979688115873. The reversal of 22979688115872 is 27851188697922.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 22979688115794 and 22979688115803.

It is not an unprimeable number, because it can be changed into a prime (22979688115873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26835553 + ... + 27678624.

It is an arithmetic number, because the mean of its divisors is an integer number (1256987916324).

Almost surely, 2^{22979688115872} is an apocalyptic number.

It is an amenable number.

22979688115872 is an abundant number, since it is smaller than the sum of its proper divisors (37355731867680).

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

22979688115872 is a wasteful number, since it uses less digits than its factorization.

22979688115872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54518581 (or 54518573 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 75.

The spelling of 22979688115872 in words is "twenty-two trillion, nine hundred seventy-nine billion, six hundred eighty-eight million, one hundred fifteen thousand, eight hundred seventy-two".