8623628225 has 6 divisors (see below), whose sum is σ = 10693299030. Its totient is φ = 6898902560.

The previous prime is 8623628203. The next prime is 8623628231. The reversal of 8623628225 is 5228263268.

It can be written as a sum of positive squares in 3 ways, for example, as 318586801 + 8305041424 = 17849^2 + 91132^2 .

It is not a de Polignac number, because 8623628225 - 2⁶ = 8623628161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172472540 + ... + 172472589.

It is an arithmetic number, because the mean of its divisors is an integer number (1782216505).

Almost surely, 2^8623628225 is an apocalyptic number.

It is an amenable number.

8623628225 is a deficient number, since it is larger than the sum of its proper divisors (2069670805).

8623628225 is a wasteful number, since it uses less digits than its factorization.

8623628225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344945139 (or 344945134 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 8623628225 is about 92863.4924230184. The cubic root of 8623628225 is about 2050.6742358866.

The spelling of 8623628225 in words is "eight billion, six hundred twenty-three million, six hundred twenty-eight thousand, two hundred twenty-five".