38766872099 has 2 divisors, whose sum is σ = 38766872100. Its totient is φ = 38766872098.

The previous prime is 38766872059. The next prime is 38766872257. The reversal of 38766872099 is 99027866783.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38766872099 is a prime.

It is not a weakly prime, because it can be changed into another prime (38766872059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19383436049 + 19383436050.

It is an arithmetic number, because the mean of its divisors is an integer number (19383436050).

Almost surely, 2^38766872099 is an apocalyptic number.

38766872099 is a deficient number, since it is larger than the sum of its proper divisors (1).

38766872099 is an equidigital number, since it uses as much as digits as its factorization.

38766872099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 38766872099 in words is "thirty-eight billion, seven hundred sixty-six million, eight hundred seventy-two thousand, ninety-nine".