98989898994 has 24 divisors (see below), whose sum is σ = 245117845440. Its totient is φ = 28282828248.

The previous prime is 98989898981. The next prime is 98989899011. The reversal of 98989898994 is 49989898989.

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 11 ways as a sum of consecutive naturals, for example, 392816934 + ... + 392817185.

It is an arithmetic number, because the mean of its divisors is an integer number (10213243560).

Almost surely, 2^98989898994 is an apocalyptic number.

98989898994 is an abundant number, since it is smaller than the sum of its proper divisors (146127946446).

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

98989898994 is a wasteful number, since it uses less digits than its factorization.

98989898994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785634134 (or 785634131 counting only the distinct ones).

The product of its digits is 8707129344, while the sum is 90.

The spelling of 98989898994 in words is "ninety-eight billion, nine hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred ninety-four".