38868870172 has 72 divisors (see below), whose sum is σ = 77525189280. Its totient is φ = 17018601600.

The previous prime is 38868870167. The next prime is 38868870191. The reversal of 38868870172 is 27107886883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6467593 + ... + 6473599.

It is an arithmetic number, because the mean of its divisors is an integer number (1076738740).

Almost surely, 2^38868870172 is an apocalyptic number.

It is an amenable number.

38868870172 is a deficient number, since it is larger than the sum of its proper divisors (38656319108).

38868870172 is a wasteful number, since it uses less digits than its factorization.

38868870172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523 (or 6510 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 58.

The spelling of 38868870172 in words is "thirty-eight billion, eight hundred sixty-eight million, eight hundred seventy thousand, one hundred seventy-two".