98659966995688 has 16 divisors (see below), whose sum is σ = 211414214990880. Its totient is φ = 42282842998128.

The previous prime is 98659966995659. The next prime is 98659966995721. The reversal of 98659966995688 is 88659966995689.

It is a super-2 number, since 2×98659966995688² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880892562406 + ... + 880892562517.

It is an arithmetic number, because the mean of its divisors is an integer number (13213388436930).

Almost surely, 2^{98659966995688} is an apocalyptic number.

It is an amenable number.

98659966995688 is an abundant number, since it is smaller than the sum of its proper divisors (112754247995192).

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

98659966995688 is a wasteful number, since it uses less digits than its factorization.

98659966995688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761785124936 (or 1761785124932 counting only the distinct ones).

The product of its digits is 979552051200, while the sum is 103.

Subtracting from 98659966995688 its reverse (88659966995689), we obtain a palindrome (9999999999999).

The spelling of 98659966995688 in words is "ninety-eight trillion, six hundred fifty-nine billion, nine hundred sixty-six million, nine hundred ninety-five thousand, six hundred eighty-eight".