8790864665 has 16 divisors (see below), whose sum is σ = 11550525696. Its totient is φ = 6369753600.

The previous prime is 8790864623. The next prime is 8790864673. The reversal of 8790864665 is 5664680978.

It is not a de Polignac number, because 8790864665 - 2⁸ = 8790864409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279992 + ... + 309801.

It is an arithmetic number, because the mean of its divisors is an integer number (721907856).

Almost surely, 2^8790864665 is an apocalyptic number.

It is an amenable number.

8790864665 is a deficient number, since it is larger than the sum of its proper divisors (2759661031).

8790864665 is a wasteful number, since it uses less digits than its factorization.

8790864665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590080.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The square root of 8790864665 is about 93759.6110540141. The cubic root of 8790864665 is about 2063.8455725988.

The spelling of 8790864665 in words is "eight billion, seven hundred ninety million, eight hundred sixty-four thousand, six hundred sixty-five".