8003608864 has 24 divisors (see below), whose sum is σ = 16054412220. Its totient is φ = 3926297856.

The previous prime is 8003608831. The next prime is 8003608867. The reversal of 8003608864 is 4688063008.

It can be written as a sum of positive squares in 2 ways, for example, as 7343118864 + 660490000 = 85692^2 + 25700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8003608864.

It is not an unprimeable number, because it can be changed into a prime (8003608867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357859 + ... + 2361250.

Almost surely, 2^8003608864 is an apocalyptic number.

It is an amenable number.

8003608864 is an abundant number, since it is smaller than the sum of its proper divisors (8050803356).

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

8003608864 is a wasteful number, since it uses less digits than its factorization.

8003608864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719172 (or 4719164 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 8003608864 is about 89462.8909883869. The cubic root of 8003608864 is about 2000.3006934561.

The spelling of 8003608864 in words is "eight billion, three million, six hundred eight thousand, eight hundred sixty-four".