98990000009999 has 32 divisors (see below), whose sum is σ = 118099944775680. Its totient is φ = 81125302658400.

The previous prime is 98990000009987. The next prime is 98990000010047. The reversal of 98990000009999 is 99990000009989.

It is not a de Polignac number, because 98990000009999 - 2²⁸ = 98989731574543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98990000000999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4666907504 + ... + 4666928714.

It is an arithmetic number, because the mean of its divisors is an integer number (3690623274240).

Almost surely, 2^{98990000009999} is an apocalyptic number.

98990000009999 is a deficient number, since it is larger than the sum of its proper divisors (19109944765681).

98990000009999 is a wasteful number, since it uses less digits than its factorization.

98990000009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32091.

The product of its (nonzero) digits is 38263752, while the sum is 71.

The spelling of 98990000009999 in words is "ninety-eight trillion, nine hundred ninety billion, nine thousand, nine hundred ninety-nine".