98681937815999 has 8 divisors (see below), whose sum is σ = 102242544982560. Its totient is φ = 95131849431136.

The previous prime is 98681937815987. The next prime is 98681937816019. The reversal of 98681937815999 is 99951873918689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98681937815999 - 2²⁰ = 98681936767423 is a prime.

It is a super-2 number, since 2×98681937815999² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98681937815969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629676324 + ... + 2629713849.

It is an arithmetic number, because the mean of its divisors is an integer number (12780318122820).

Almost surely, 2^{98681937815999} is an apocalyptic number.

98681937815999 is a deficient number, since it is larger than the sum of its proper divisors (3560607166561).

98681937815999 is a wasteful number, since it uses less digits than its factorization.

98681937815999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259390849.

The product of its digits is 19046845440, while the sum is 92.

The spelling of 98681937815999 in words is "ninety-eight trillion, six hundred eighty-one billion, nine hundred thirty-seven million, eight hundred fifteen thousand, nine hundred ninety-nine".