38839655377 has 2 divisors, whose sum is σ = 38839655378. Its totient is φ = 38839655376.

The previous prime is 38839655363. The next prime is 38839655381. The reversal of 38839655377 is 77355693883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36299394576 + 2540260801 = 190524^2 + 50401^2 .

It is a cyclic number.

It is not a de Polignac number, because 38839655377 - 2¹⁵ = 38839622609 is a prime.

It is not a weakly prime, because it can be changed into another prime (38839655977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19419827688 + 19419827689.

It is an arithmetic number, because the mean of its divisors is an integer number (19419827689).

Almost surely, 2^38839655377 is an apocalyptic number.

It is an amenable number.

38839655377 is a deficient number, since it is larger than the sum of its proper divisors (1).

38839655377 is an equidigital number, since it uses as much as digits as its factorization.

38839655377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 64.

The spelling of 38839655377 in words is "thirty-eight billion, eight hundred thirty-nine million, six hundred fifty-five thousand, three hundred seventy-seven".