38857283757 has 12 divisors (see below), whose sum is σ = 56267160924. Its totient is φ = 25840252800.

The previous prime is 38857283701. The next prime is 38857283771. The reversal of 38857283757 is 75738275883.

38857283757 is a `hidden beast` number, since 3 + 8 + 8 + 572 + 8 + 3 + 7 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18450875556 + 20406408201 = 135834^2 + 142851^2 .

It is not a de Polignac number, because 38857283757 - 2⁶ = 38857283693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38857283694 and 38857283703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38857283057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5379778 + ... + 5386995.

It is an arithmetic number, because the mean of its divisors is an integer number (4688930077).

Almost surely, 2^38857283757 is an apocalyptic number.

It is an amenable number.

38857283757 is a deficient number, since it is larger than the sum of its proper divisors (17409877167).

38857283757 is a wasteful number, since it uses less digits than its factorization.

38857283757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10767180 (or 10767177 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 63.

The spelling of 38857283757 in words is "thirty-eight billion, eight hundred fifty-seven million, two hundred eighty-three thousand, seven hundred fifty-seven".