8886998665 has 8 divisors (see below), whose sum is σ = 10924505928. Its totient is φ = 6936193920.

The previous prime is 8886998621. The next prime is 8886998707. The reversal of 8886998665 is 5668996888.

It can be written as a sum of positive squares in 4 ways, for example, as 117050761 + 8769947904 = 10819^2 + 93648^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8886998665 - 2⁷ = 8886998537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21675402 + ... + 21675811.

It is an arithmetic number, because the mean of its divisors is an integer number (1365563241).

Almost surely, 2^8886998665 is an apocalyptic number.

It is an amenable number.

8886998665 is a deficient number, since it is larger than the sum of its proper divisors (2037507263).

8886998665 is a wasteful number, since it uses less digits than its factorization.

8886998665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43351259.

The product of its digits is 358318080, while the sum is 73.

The square root of 8886998665 is about 94270.8791992522. The cubic root of 8886998665 is about 2071.3414927655.

The spelling of 8886998665 in words is "eight billion, eight hundred eighty-six million, nine hundred ninety-eight thousand, six hundred sixty-five".