38116707817 has 2 divisors, whose sum is σ = 38116707818. Its totient is φ = 38116707816.

The previous prime is 38116707809. The next prime is 38116707901. The reversal of 38116707817 is 71870761183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30116478681 + 8000229136 = 173541^2 + 89444^2 .

It is a cyclic number.

It is not a de Polignac number, because 38116707817 - 2³ = 38116707809 is a prime.

It is not a weakly prime, because it can be changed into another prime (38116707017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19058353908 + 19058353909.

It is an arithmetic number, because the mean of its divisors is an integer number (19058353909).

Almost surely, 2^38116707817 is an apocalyptic number.

It is an amenable number.

38116707817 is a deficient number, since it is larger than the sum of its proper divisors (1).

38116707817 is an equidigital number, since it uses as much as digits as its factorization.

38116707817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 38116707817 in words is "thirty-eight billion, one hundred sixteen million, seven hundred seven thousand, eight hundred seventeen".