8640794922 has 8 divisors (see below), whose sum is σ = 17281589856. Its totient is φ = 2880264972.

The previous prime is 8640794893. The next prime is 8640794957. The reversal of 8640794922 is 2294970468.

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

8640794922 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720066238 + ... + 720066249.

It is an arithmetic number, because the mean of its divisors is an integer number (2160198732).

Almost surely, 2^8640794922 is an apocalyptic number.

8640794922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8640794922 is a wasteful number, since it uses less digits than its factorization.

8640794922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440132492.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 8640794922 is about 92955.8762101676. The cubic root of 8640794922 is about 2052.0340645220.

The spelling of 8640794922 in words is "eight billion, six hundred forty million, seven hundred ninety-four thousand, nine hundred twenty-two".