38908052902891 has 16 divisors (see below), whose sum is σ = 39570817572000. Its totient is φ = 38248954057728.

The previous prime is 38908052902889. The next prime is 38908052902907. The reversal of 38908052902891 is 19820925080983.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38908052902891 - 2¹ = 38908052902889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38908052902841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34891335 + ... + 35989183.

It is an arithmetic number, because the mean of its divisors is an integer number (2473176098250).

Almost surely, 2^{38908052902891} is an apocalyptic number.

38908052902891 is a deficient number, since it is larger than the sum of its proper divisors (662764669109).

38908052902891 is a wasteful number, since it uses less digits than its factorization.

38908052902891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099518.

The product of its (nonzero) digits is 22394880, while the sum is 64.

The spelling of 38908052902891 in words is "thirty-eight trillion, nine hundred eight billion, fifty-two million, nine hundred two thousand, eight hundred ninety-one".