38909875968 has 54 divisors (see below), whose sum is σ = 112186771424. Its totient is φ = 12969957888.

The previous prime is 38909875937. The next prime is 38909875973. The reversal of 38909875968 is 86957890983.

38909875968 is a `hidden beast` number, since 389 + 0 + 98 + 75 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 38909875896 and 38909875905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8441680 + ... + 8446287.

Almost surely, 2^38909875968 is an apocalyptic number.

It is an amenable number.

38909875968 is an abundant number, since it is smaller than the sum of its proper divisors (73276895456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38909875968 is a wasteful number, since it uses less digits than its factorization.

38909875968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16887989 (or 16887972 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 38909875968 in words is "thirty-eight billion, nine hundred nine million, eight hundred seventy-five thousand, nine hundred sixty-eight".