38457762977 has 2 divisors, whose sum is σ = 38457762978. Its totient is φ = 38457762976.

The previous prime is 38457762913. The next prime is 38457762997. The reversal of 38457762977 is 77926775483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30323346496 + 8134416481 = 174136^2 + 90191^2 .

It is a cyclic number.

It is not a de Polignac number, because 38457762977 - 2⁶ = 38457762913 is a prime.

It is a super-2 number, since 2×38457762977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38457762997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228881488 + 19228881489.

It is an arithmetic number, because the mean of its divisors is an integer number (19228881489).

Almost surely, 2^38457762977 is an apocalyptic number.

It is an amenable number.

38457762977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457762977 is an equidigital number, since it uses as much as digits as its factorization.

38457762977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124467840, while the sum is 65.

The spelling of 38457762977 in words is "thirty-eight billion, four hundred fifty-seven million, seven hundred sixty-two thousand, nine hundred seventy-seven".