8686985616 has 105 divisors (see below), whose sum is σ = 25264282939. Its totient is φ = 2892306528.

The previous prime is 8686985599. The next prime is 8686985639. The reversal of 8686985616 is 6165896868.

The square root of 8686985616 is 93204.

It is a perfect power (a square), and thus also a powerful number.

8686985616 is a `hidden beast` number, since 8 + 6 + 8 + 6 + 9 + 8 + 5 + 616 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 10065601 + ... + 10066463.

Almost surely, 2^8686985616 is an apocalyptic number.

8686985616 is the 93204-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8686985616

8686985616 is an abundant number, since it is smaller than the sum of its proper divisors (16577297323).

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

8686985616 is an frugal number, since it uses more digits than its factorization.

8686985616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 868 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The cubic root of 8686985616 is about 2055.6840559296.

The spelling of 8686985616 in words is "eight billion, six hundred eighty-six million, nine hundred eighty-five thousand, six hundred sixteen".