889901109988 has 72 divisors (see below), whose sum is σ = 1776575908800. Its totient is φ = 389278169280.

The previous prime is 889901109931. The next prime is 889901109991.

889901109988 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4205793 + ... + 4412311.

It is an arithmetic number, because the mean of its divisors is an integer number (24674665400).

Almost surely, 2^889901109988 is an apocalyptic number.

It is an amenable number.

889901109988 is a deficient number, since it is larger than the sum of its proper divisors (886674798812).

889901109988 is a wasteful number, since it uses less digits than its factorization.

889901109988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206881 (or 206868 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 70.

It can be divided in two parts, 88990110 and 9988, that added together give a palindrome (89000098).

The spelling of 889901109988 in words is "eight hundred eighty-nine billion, nine hundred one million, one hundred nine thousand, nine hundred eighty-eight".