8638253804 has 24 divisors (see below), whose sum is σ = 15176351568. Its totient is φ = 4302175680.

The previous prime is 8638253777. The next prime is 8638253851. The reversal of 8638253804 is 4083528368.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906039 + ... + 2909009.

It is an arithmetic number, because the mean of its divisors is an integer number (632347982).

Almost surely, 2^8638253804 is an apocalyptic number.

It is an amenable number.

8638253804 is a deficient number, since it is larger than the sum of its proper divisors (6538097764).

8638253804 is a wasteful number, since it uses less digits than its factorization.

8638253804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 8638253804 is about 92942.2067954059. The cubic root of 8638253804 is about 2051.8328881259.

The spelling of 8638253804 in words is "eight billion, six hundred thirty-eight million, two hundred fifty-three thousand, eight hundred four".