22977090137 has 12 divisors (see below), whose sum is σ = 24847805220. Its totient is φ = 21220207008.

The previous prime is 22977090131. The next prime is 22977090161. The reversal of 22977090137 is 73109077922.

It can be written as a sum of positive squares in 2 ways, for example, as 6072149776 + 16904940361 = 77924^2 + 130019^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22977090137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22977090091 and 22977090100.

It is not an unprimeable number, because it can be changed into a prime (22977090131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733538 + ... + 764219.

It is an arithmetic number, because the mean of its divisors is an integer number (2070650435).

Almost surely, 2^22977090137 is an apocalyptic number.

It is an amenable number.

22977090137 is a deficient number, since it is larger than the sum of its proper divisors (1870715083).

22977090137 is a wasteful number, since it uses less digits than its factorization.

22977090137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497832 (or 1497809 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 47.

The spelling of 22977090137 in words is "twenty-two billion, nine hundred seventy-seven million, ninety thousand, one hundred thirty-seven".