99898299289899 has 64 divisors (see below), whose sum is σ = 167155016256000. Its totient is φ = 58409114440320.

The previous prime is 99898299289829. The next prime is 99898299289913.

It is a happy number.

99898299289899 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99898299289899 - 2¹⁵ = 99898299257131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99898299289899.

It is not an unprimeable number, because it can be changed into a prime (99898299289829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5866684 + ... + 15304070.

It is an arithmetic number, because the mean of its divisors is an integer number (2611797129000).

Almost surely, 2^{99898299289899} is an apocalyptic number.

99898299289899 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99898299289899 is a deficient number, since it is larger than the sum of its proper divisors (67256716966101).

99898299289899 is a wasteful number, since it uses less digits than its factorization.

99898299289899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438665 (or 9438659 counting only the distinct ones).

The product of its digits is 705277476864, while the sum is 108.

The spelling of 99898299289899 in words is "ninety-nine trillion, eight hundred ninety-eight billion, two hundred ninety-nine million, two hundred eighty-nine thousand, eight hundred ninety-nine".