889181118 has 64 divisors (see below), whose sum is σ = 2272773120. Its totient is φ = 252416736.

The previous prime is 889181071. The next prime is 889181129. The reversal of 889181118 is 811181988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51855 + ... + 66837.

It is an arithmetic number, because the mean of its divisors is an integer number (35512080).

Almost surely, 2^889181118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889181118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136386560).

889181118 is an abundant number, since it is smaller than the sum of its proper divisors (1383592002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889181118 is a wasteful number, since it uses less digits than its factorization.

889181118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158 (or 15152 counting only the distinct ones).

The product of its digits is 36864, while the sum is 45.

The square root of 889181118 is about 29819.1401284477. The cubic root of 889181118 is about 961.6050688211.

It can be divided in two parts, 8891 and 81118, that added together give a palindrome (90009).

The spelling of 889181118 in words is "eight hundred eighty-nine million, one hundred eighty-one thousand, one hundred eighteen".