38772108899 has 4 divisors (see below), whose sum is σ = 38780089920. Its totient is φ = 38764127880.

The previous prime is 38772108887. The next prime is 38772108901. The reversal of 38772108899 is 99880127783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38772108899 - 2¹⁶ = 38772043363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38772168899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983219 + ... + 3992940.

It is an arithmetic number, because the mean of its divisors is an integer number (9695022480).

Almost surely, 2^38772108899 is an apocalyptic number.

38772108899 is a deficient number, since it is larger than the sum of its proper divisors (7981021).

38772108899 is an equidigital number, since it uses as much as digits as its factorization.

38772108899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981020.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The spelling of 38772108899 in words is "thirty-eight billion, seven hundred seventy-two million, one hundred eight thousand, eight hundred ninety-nine".