38120976999 has 64 divisors (see below), whose sum is σ = 66846228480. Its totient is φ = 21019309920.

The previous prime is 38120976979. The next prime is 38120977031. The reversal of 38120976999 is 99967902183.

It is a happy number.

38120976999 is a `hidden beast` number, since 381 + 20 + 97 + 69 + 99 = 666.

It is not a de Polignac number, because 38120976999 - 2²⁰ = 38119928423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38120976979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 600472 + ... + 660914.

It is an arithmetic number, because the mean of its divisors is an integer number (1044472320).

Almost surely, 2^38120976999 is an apocalyptic number.

38120976999 is a deficient number, since it is larger than the sum of its proper divisors (28725251481).

38120976999 is a wasteful number, since it uses less digits than its factorization.

38120976999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60577 (or 60571 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 38120976999 in words is "thirty-eight billion, one hundred twenty million, nine hundred seventy-six thousand, nine hundred ninety-nine".