8000944705 has 16 divisors (see below), whose sum is σ = 10696225680. Its totient is φ = 5704651008.

The previous prime is 8000944697. The next prime is 8000944711. The reversal of 8000944705 is 5074490008.

It is a Cunningham number, because it is equal to 89448²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 109998144 + 7890946561 = 10488^2 + 88831^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000944705 - 2³ = 8000944697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120382 + ... + 2124151.

It is an arithmetic number, because the mean of its divisors is an integer number (668514105).

Almost surely, 2^8000944705 is an apocalyptic number.

It is an amenable number.

8000944705 is a deficient number, since it is larger than the sum of its proper divisors (2695280975).

8000944705 is a wasteful number, since it uses less digits than its factorization.

8000944705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244580.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8000944705 is about 89448.0000055898. Note that the first 5 decimals coincide. The cubic root of 8000944705 is about 2000.0787223180.

The spelling of 8000944705 in words is "eight billion, nine hundred forty-four thousand, seven hundred five".