22877531137 has 2 divisors, whose sum is σ = 22877531138. Its totient is φ = 22877531136.

The previous prime is 22877531129. The next prime is 22877531203. The reversal of 22877531137 is 73113577822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21238981696 + 1638549441 = 145736^2 + 40479^2 .

It is a cyclic number.

It is not a de Polignac number, because 22877531137 - 2³ = 22877531129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22877532137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11438765568 + 11438765569.

It is an arithmetic number, because the mean of its divisors is an integer number (11438765569).

Almost surely, 2^22877531137 is an apocalyptic number.

It is an amenable number.

22877531137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22877531137 is an equidigital number, since it uses as much as digits as its factorization.

22877531137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The spelling of 22877531137 in words is "twenty-two billion, eight hundred seventy-seven million, five hundred thirty-one thousand, one hundred thirty-seven".