38779818768 has 40 divisors (see below), whose sum is σ = 111312444000. Its totient is φ = 12926606112.

The previous prime is 38779818743. The next prime is 38779818809. The reversal of 38779818768 is 86781897783.

38779818768 is a `hidden beast` number, since 387 + 7 + 9 + 8 + 187 + 68 = 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 = 38779818696 and 38779818705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44883618 + ... + 44884481.

It is an arithmetic number, because the mean of its divisors is an integer number (2782811100).

Almost surely, 2^38779818768 is an apocalyptic number.

It is an amenable number.

38779818768 is an abundant number, since it is smaller than the sum of its proper divisors (72532625232).

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

38779818768 is a wasteful number, since it uses less digits than its factorization.

38779818768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89768116 (or 89768104 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 72.

The spelling of 38779818768 in words is "thirty-eight billion, seven hundred seventy-nine million, eight hundred eighteen thousand, seven hundred sixty-eight".