8679861998 has 16 divisors (see below), whose sum is σ = 13706880000. Its totient is φ = 4110963192.

The previous prime is 8679861997. The next prime is 8679862001. The reversal of 8679861998 is 8991689768.

8679861998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8679861997) 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 7 ways as a sum of consecutive naturals, for example, 484403 + ... + 502001.

It is an arithmetic number, because the mean of its divisors is an integer number (856680000).

Almost surely, 2^8679861998 is an apocalyptic number.

8679861998 is a deficient number, since it is larger than the sum of its proper divisors (5027018002).

8679861998 is a wasteful number, since it uses less digits than its factorization.

8679861998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599.

The product of its digits is 94058496, while the sum is 71.

The square root of 8679861998 is about 93165.7769677257. The cubic root of 8679861998 is about 2055.1219924304.

The spelling of 8679861998 in words is "eight billion, six hundred seventy-nine million, eight hundred sixty-one thousand, nine hundred ninety-eight".