8776645825 has 12 divisors (see below), whose sum is σ = 11032125868. Its totient is φ = 6925132800.

The previous prime is 8776645819. The next prime is 8776645859. The reversal of 8776645825 is 5285466778.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5948721 + 8770697104 = 2439^2 + 93652^2 .

It is not a de Polignac number, because 8776645825 - 2⁵ = 8776645793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8776645825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2402736 + ... + 2406385.

Almost surely, 2^8776645825 is an apocalyptic number.

It is an amenable number.

8776645825 is a deficient number, since it is larger than the sum of its proper divisors (2255480043).

8776645825 is a wasteful number, since it uses less digits than its factorization.

8776645825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809204 (or 4809199 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The square root of 8776645825 is about 93683.7543280584. The cubic root of 8776645825 is about 2062.7322454114.

The spelling of 8776645825 in words is "eight billion, seven hundred seventy-six million, six hundred forty-five thousand, eight hundred twenty-five".