38311103977 has 2 divisors, whose sum is σ = 38311103978. Its totient is φ = 38311103976.

The previous prime is 38311103969. The next prime is 38311103993. The reversal of 38311103977 is 77930111383.

38311103977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34309782441 + 4001321536 = 185229^2 + 63256^2 .

It is a cyclic number.

It is not a de Polignac number, because 38311103977 - 2³ = 38311103969 is a prime.

It is a super-3 number, since 3×38311103977³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (38311103377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19155551988 + 19155551989.

It is an arithmetic number, because the mean of its divisors is an integer number (19155551989).

Almost surely, 2^38311103977 is an apocalyptic number.

It is an amenable number.

38311103977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38311103977 is an equidigital number, since it uses as much as digits as its factorization.

38311103977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 38311103977 in words is "thirty-eight billion, three hundred eleven million, one hundred three thousand, nine hundred seventy-seven".