8668866715 has 16 divisors (see below), whose sum is σ = 10703100672. Its totient is φ = 6735464064.

The previous prime is 8668866697. The next prime is 8668866749. The reversal of 8668866715 is 5176688668.

It is a cyclic number.

It is not a de Polignac number, because 8668866715 - 2²¹ = 8666769563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60982 + ... + 145108.

It is an arithmetic number, because the mean of its divisors is an integer number (668943792).

Almost surely, 2^8668866715 is an apocalyptic number.

8668866715 is a deficient number, since it is larger than the sum of its proper divisors (2034233957).

8668866715 is a wasteful number, since it uses less digits than its factorization.

8668866715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84726.

The product of its digits is 23224320, while the sum is 61.

The square root of 8668866715 is about 93106.7490303469. The cubic root of 8668866715 is about 2054.2538451363.

The spelling of 8668866715 in words is "eight billion, six hundred sixty-eight million, eight hundred sixty-six thousand, seven hundred fifteen".