38577181157 has 2 divisors, whose sum is σ = 38577181158. Its totient is φ = 38577181156.

The previous prime is 38577181147. The next prime is 38577181163. The reversal of 38577181157 is 75118177583.

38577181157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38554893316 + 22287841 = 196354^2 + 4721^2 .

It is a cyclic number.

It is not a de Polignac number, because 38577181157 - 2¹⁰ = 38577180133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38577181099 and 38577181108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38577181147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19288590578 + 19288590579.

It is an arithmetic number, because the mean of its divisors is an integer number (19288590579).

Almost surely, 2^38577181157 is an apocalyptic number.

It is an amenable number.

38577181157 is a deficient number, since it is larger than the sum of its proper divisors (1).

38577181157 is an equidigital number, since it uses as much as digits as its factorization.

38577181157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646400, while the sum is 53.

The spelling of 38577181157 in words is "thirty-eight billion, five hundred seventy-seven million, one hundred eighty-one thousand, one hundred fifty-seven".