988444444889 has 16 divisors (see below), whose sum is σ = 1080989115840. Its totient is φ = 896349706560.

The previous prime is 988444444861. The next prime is 988444444891.

988444444889 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 988444444889 - 2⁸ = 988444444633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988444444489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8884007 + ... + 8994579.

It is an arithmetic number, because the mean of its divisors is an integer number (67561819740).

Almost surely, 2^988444444889 is an apocalyptic number.

It is an amenable number.

988444444889 is a deficient number, since it is larger than the sum of its proper divisors (92544670951).

988444444889 is a wasteful number, since it uses less digits than its factorization.

988444444889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112600.

The product of its digits is 1358954496, while the sum is 74.

The spelling of 988444444889 in words is "nine hundred eighty-eight billion, four hundred forty-four million, four hundred forty-four thousand, eight hundred eighty-nine".