38714857568557 has 2 divisors, whose sum is σ = 38714857568558. Its totient is φ = 38714857568556.

The previous prime is 38714857568483. The next prime is 38714857568581. The reversal of 38714857568557 is 75586575841783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38130946100676 + 583911467881 = 6175026^2 + 764141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38714857568557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38714857578557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19357428784278 + 19357428784279.

It is an arithmetic number, because the mean of its divisors is an integer number (19357428784279).

Almost surely, 2^{38714857568557} is an apocalyptic number.

It is an amenable number.

38714857568557 is a deficient number, since it is larger than the sum of its proper divisors (1).

38714857568557 is an equidigital number, since it uses as much as digits as its factorization.

38714857568557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720000, while the sum is 79.

The spelling of 38714857568557 in words is "thirty-eight trillion, seven hundred fourteen billion, eight hundred fifty-seven million, five hundred sixty-eight thousand, five hundred fifty-seven".