38857477748 has 12 divisors (see below), whose sum is σ = 68041341060. Its totient is φ = 19417094592.

The previous prime is 38857477741. The next prime is 38857477751. The reversal of 38857477748 is 84777475883.

It can be written as a sum of positive squares in 2 ways, for example, as 9225986704 + 29631491044 = 96052^2 + 172138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38857477741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903561 + ... + 2916912.

It is an arithmetic number, because the mean of its divisors is an integer number (5670111755).

Almost surely, 2^38857477748 is an apocalyptic number.

It is an amenable number.

38857477748 is a deficient number, since it is larger than the sum of its proper divisors (29183863312).

38857477748 is a wasteful number, since it uses less digits than its factorization.

38857477748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822146 (or 5822144 counting only the distinct ones).

The product of its digits is 295034880, while the sum is 68.

The spelling of 38857477748 in words is "thirty-eight billion, eight hundred fifty-seven million, four hundred seventy-seven thousand, seven hundred forty-eight".