8638130868 has 48 divisors (see below), whose sum is σ = 20350915200. Its totient is φ = 2851523584.

The previous prime is 8638130867. The next prime is 8638130869. The reversal of 8638130868 is 8680318368.

8638130868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8638130867) and next prime (8638130869).

It is a self number, because there is not a number n which added to its sum of digits gives 8638130868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8638130867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502808 + ... + 2506256.

It is an arithmetic number, because the mean of its divisors is an integer number (423977400).

Almost surely, 2^8638130868 is an apocalyptic number.

It is an amenable number.

8638130868 is an abundant number, since it is smaller than the sum of its proper divisors (11712784332).

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

8638130868 is a wasteful number, since it uses less digits than its factorization.

8638130868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 8638130868 is about 92941.5454358276. The cubic root of 8638130868 is about 2051.8231544718.

The spelling of 8638130868 in words is "eight billion, six hundred thirty-eight million, one hundred thirty thousand, eight hundred sixty-eight".