8625663 has 8 divisors (see below), whose sum is σ = 12778800. Its totient is φ = 5750424.

The previous prime is 8625649. The next prime is 8625689. The reversal of 8625663 is 3665268.

It is not a de Polignac number, because 8625663 - 2⁶ = 8625599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8625263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159708 + ... + 159761.

It is an arithmetic number, because the mean of its divisors is an integer number (1597350).

Almost surely, 2^8625663 is an apocalyptic number.

8625663 is a deficient number, since it is larger than the sum of its proper divisors (4153137).

8625663 is a wasteful number, since it uses less digits than its factorization.

8625663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319478 (or 319472 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 8625663 is about 2936.9479055646. The cubic root of 8625663 is about 205.0835511103.

The spelling of 8625663 in words is "eight million, six hundred twenty-five thousand, six hundred sixty-three".