98987928897 has 96 divisors (see below), whose sum is σ = 158255104000. Its totient is φ = 54666057600.

The previous prime is 98987928887. The next prime is 98987928983. The reversal of 98987928897 is 79882978989.

It is not a de Polignac number, because 98987928897 - 2⁴ = 98987928881 is a prime.

It is a super-2 number, since 2×98987928897² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98987928877) 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 95 ways as a sum of consecutive naturals, for example, 198372354 + ... + 198372852.

Almost surely, 2^98987928897 is an apocalyptic number.

It is an amenable number.

98987928897 is a deficient number, since it is larger than the sum of its proper divisors (59267175103).

98987928897 is a wasteful number, since it uses less digits than its factorization.

98987928897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 984 counting only the distinct ones).

The product of its digits is 2633637888, while the sum is 84.

The spelling of 98987928897 in words is "ninety-eight billion, nine hundred eighty-seven million, nine hundred twenty-eight thousand, eight hundred ninety-seven".