8722920008 has 24 divisors (see below), whose sum is σ = 17977507590. Its totient is φ = 3964963200.

The previous prime is 8722919921. The next prime is 8722920023. The reversal of 8722920008 is 8000292278.

It can be written as a sum of positive squares in only one way, i.e., 8705263204 + 17656804 = 93302^2 + 4202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4504673 + ... + 4506608.

Almost surely, 2^8722920008 is an apocalyptic number.

8722920008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8722920008 is an abundant number, since it is smaller than the sum of its proper divisors (9254587582).

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

8722920008 is a wasteful number, since it uses less digits than its factorization.

8722920008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011309 (or 9011294 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8722920008 is about 93396.5738557898. The cubic root of 8722920008 is about 2058.5146555333.

The spelling of 8722920008 in words is "eight billion, seven hundred twenty-two million, nine hundred twenty thousand, eight".