22677744377 has 2 divisors, whose sum is σ = 22677744378. Its totient is φ = 22677744376.

The previous prime is 22677744347. The next prime is 22677744389. The reversal of 22677744377 is 77344777622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17302508521 + 5375235856 = 131539^2 + 73316^2 .

It is a cyclic number.

It is not a de Polignac number, because 22677744377 - 2⁸ = 22677744121 is a prime.

It is not a weakly prime, because it can be changed into another prime (22677744347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338872188 + 11338872189.

It is an arithmetic number, because the mean of its divisors is an integer number (11338872189).

Almost surely, 2^22677744377 is an apocalyptic number.

It is an amenable number.

22677744377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22677744377 is an equidigital number, since it uses as much as digits as its factorization.

22677744377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19361664, while the sum is 56.

The spelling of 22677744377 in words is "twenty-two billion, six hundred seventy-seven million, seven hundred forty-four thousand, three hundred seventy-seven".