8857131752 has 16 divisors (see below), whose sum is σ = 18979568160. Its totient is φ = 3795913584.

The previous prime is 8857131707. The next prime is 8857131769. The reversal of 8857131752 is 2571317588.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8857131697 and 8857131706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79081478 + ... + 79081589.

It is an arithmetic number, because the mean of its divisors is an integer number (1186223010).

Almost surely, 2^8857131752 is an apocalyptic number.

It is an amenable number.

8857131752 is an abundant number, since it is smaller than the sum of its proper divisors (10122436408).

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

8857131752 is a wasteful number, since it uses less digits than its factorization.

8857131752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158163080 (or 158163076 counting only the distinct ones).

The product of its digits is 470400, while the sum is 47.

The square root of 8857131752 is about 94112.3358120496. The cubic root of 8857131752 is about 2069.0184734195.

The spelling of 8857131752 in words is "eight billion, eight hundred fifty-seven million, one hundred thirty-one thousand, seven hundred fifty-two".