98898444489889 has 4 divisors (see below), whose sum is σ = 107889212170800. Its totient is φ = 89907676808980.

The previous prime is 98898444489857. The next prime is 98898444489899.

98898444489889 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98898444489889 - 2⁵ = 98898444489857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98898444489794 and 98898444489803.

It is not an unprimeable number, because it can be changed into a prime (98898444489899) 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 3 ways as a sum of consecutive naturals, for example, 4495383840439 + ... + 4495383840460.

It is an arithmetic number, because the mean of its divisors is an integer number (26972303042700).

Almost surely, 2^{98898444489889} is an apocalyptic number.

It is an amenable number.

98898444489889 is a deficient number, since it is larger than the sum of its proper divisors (8990767680911).

98898444489889 is a wasteful number, since it uses less digits than its factorization.

98898444489889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990767680910.

The product of its digits is 440301256704, while the sum is 100.

The spelling of 98898444489889 in words is "ninety-eight trillion, eight hundred ninety-eight billion, four hundred forty-four million, four hundred eighty-nine thousand, eight hundred eighty-nine".