8686942852 has 30 divisors (see below), whose sum is σ = 17734805998. Its totient is φ = 3722971392.

The previous prime is 8686942787. The next prime is 8686942867. The reversal of 8686942852 is 2582496868.

It can be written as a sum of positive squares in only one way, i.e., 4349930116 + 4337012736 = 65954^2 + 65856^2 .

It is a super-2 number, since 2×8686942852² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 442653 + ... + 461860.

Almost surely, 2^8686942852 is an apocalyptic number.

It is an amenable number.

8686942852 is an abundant number, since it is smaller than the sum of its proper divisors (9047863146).

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

8686942852 is an equidigital number, since it uses as much as digits as its factorization.

8686942852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904545 (or 904522 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 58.

The square root of 8686942852 is about 93203.7705889628. The cubic root of 8686942852 is about 2055.6806827066.

The spelling of 8686942852 in words is "eight billion, six hundred eighty-six million, nine hundred forty-two thousand, eight hundred fifty-two".