8686830906 has 40 divisors (see below), whose sum is σ = 20962243764. Its totient is φ = 2672870400.

The previous prime is 8686830899. The next prime is 8686830941. The reversal of 8686830906 is 6090386868.

It can be written as a sum of positive squares in 2 ways, for example, as 8594958681 + 91872225 = 92709^2 + 9585^2 .

It is a super-2 number, since 2×8686830906² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2060295 + ... + 2064506.

Almost surely, 2^8686830906 is an apocalyptic number.

8686830906 is an abundant number, since it is smaller than the sum of its proper divisors (12275412858).

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

8686830906 is a wasteful number, since it uses less digits than its factorization.

8686830906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124828 (or 4124819 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 8686830906 is about 93203.1700426547. The cubic root of 8686830906 is about 2055.6718523574.

The spelling of 8686830906 in words is "eight billion, six hundred eighty-six million, eight hundred thirty thousand, nine hundred six".