8398818188938 has 32 divisors (see below), whose sum is σ = 13127102300160. Its totient is φ = 4025674559280.

The previous prime is 8398818188927. The next prime is 8398818188983.

8398818188938 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113955183 + ... + 114028861.

It is an arithmetic number, because the mean of its divisors is an integer number (410221946880).

Almost surely, 2^{8398818188938} is an apocalyptic number.

8398818188938 is a deficient number, since it is larger than the sum of its proper divisors (4728284111222).

8398818188938 is a wasteful number, since it uses less digits than its factorization.

8398818188938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91002.

The product of its digits is 1528823808, while the sum is 82.

The spelling of 8398818188938 in words is "eight trillion, three hundred ninety-eight billion, eight hundred eighteen million, one hundred eighty-eight thousand, nine hundred thirty-eight".