8685685760 has 44 divisors (see below), whose sum is σ = 20835479568. Its totient is φ = 3474272256.

The previous prime is 8685685733. The next prime is 8685685769. The reversal of 8685685760 is 675865868.

It is a super-2 number, since 2×8685685760² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8685685760.

It is not an unprimeable number, because it can be changed into a prime (8685685769) 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, 843092 + ... + 853331.

Almost surely, 2^8685685760 is an apocalyptic number.

8685685760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8685685760 is an abundant number, since it is smaller than the sum of its proper divisors (12149793808).

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

8685685760 is a wasteful number, since it uses less digits than its factorization.

8685685760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696448 (or 1696430 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The square root of 8685685760 is about 93197.0265620100. The cubic root of 8685685760 is about 2055.5815183843.

The spelling of 8685685760 in words is "eight billion, six hundred eighty-five million, six hundred eighty-five thousand, seven hundred sixty".