38046045977 has 2 divisors, whose sum is σ = 38046045978. Its totient is φ = 38046045976.

The previous prime is 38046045941. The next prime is 38046046043. The reversal of 38046045977 is 77954064083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35800802521 + 2245243456 = 189211^2 + 47384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38046045977 is a prime.

It is a super-2 number, since 2×38046045977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38046041977) 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 as a sum of consecutive naturals, namely, 19023022988 + 19023022989.

It is an arithmetic number, because the mean of its divisors is an integer number (19023022989).

Almost surely, 2^38046045977 is an apocalyptic number.

It is an amenable number.

38046045977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38046045977 is an equidigital number, since it uses as much as digits as its factorization.

38046045977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 38046045977 in words is "thirty-eight billion, forty-six million, forty-five thousand, nine hundred seventy-seven".