8875998638 has 16 divisors (see below), whose sum is σ = 14422999920. Its totient is φ = 4096612728.

The previous prime is 8875998629. The next prime is 8875998653. The reversal of 8875998638 is 8368995788.

8875998638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1005620 + ... + 1014407.

It is an arithmetic number, because the mean of its divisors is an integer number (901437495).

Almost surely, 2^8875998638 is an apocalyptic number.

8875998638 is a deficient number, since it is larger than the sum of its proper divisors (5547001282).

8875998638 is a wasteful number, since it uses less digits than its factorization.

8875998638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020068 (or 2020042 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 71.

The square root of 8875998638 is about 94212.5184781725. The cubic root of 8875998638 is about 2070.4865277230.

The spelling of 8875998638 in words is "eight billion, eight hundred seventy-five million, nine hundred ninety-eight thousand, six hundred thirty-eight".