22979957977 has 16 divisors (see below), whose sum is σ = 23984750592. Its totient is φ = 21992765760.

The previous prime is 22979957953. The next prime is 22979957981. The reversal of 22979957977 is 77975997922.

It is a cyclic number.

It is not a de Polignac number, because 22979957977 - 2¹⁹ = 22979433689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22979958977) 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 15 ways as a sum of consecutive naturals, for example, 1238823 + ... + 1257235.

It is an arithmetic number, because the mean of its divisors is an integer number (1499046912).

Almost surely, 2^22979957977 is an apocalyptic number.

It is an amenable number.

22979957977 is a deficient number, since it is larger than the sum of its proper divisors (1004792615).

22979957977 is a wasteful number, since it uses less digits than its factorization.

22979957977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its digits is 315059220, while the sum is 73.

The spelling of 22979957977 in words is "twenty-two billion, nine hundred seventy-nine million, nine hundred fifty-seven thousand, nine hundred seventy-seven".