98992998894 has 128 divisors (see below), whose sum is σ = 221831706240. Its totient is φ = 29305995264.

The previous prime is 98992998889. The next prime is 98992998953. The reversal of 98992998894 is 49889929989.

It is a super-2 number, since 2×98992998894² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 24398514 + ... + 24402570.

It is an arithmetic number, because the mean of its divisors is an integer number (1733060205).

Almost surely, 2^98992998894 is an apocalyptic number.

98992998894 is an abundant number, since it is smaller than the sum of its proper divisors (122838707346).

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

98992998894 is a wasteful number, since it uses less digits than its factorization.

98992998894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its digits is 2176782336, while the sum is 84.

The spelling of 98992998894 in words is "ninety-eight billion, nine hundred ninety-two million, nine hundred ninety-eight thousand, eight hundred ninety-four".