889775198 has 12 divisors (see below), whose sum is σ = 1445227128. Its totient is φ = 410665320.

The previous prime is 889775191. The next prime is 889775203. The reversal of 889775198 is 891577988.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 889775198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889775191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1315898 + ... + 1316573.

It is an arithmetic number, because the mean of its divisors is an integer number (120435594).

Almost surely, 2^889775198 is an apocalyptic number.

889775198 is a deficient number, since it is larger than the sum of its proper divisors (555451930).

889775198 is a wasteful number, since it uses less digits than its factorization.

889775198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632499 (or 2632486 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 62.

The square root of 889775198 is about 29829.0998523254. The cubic root of 889775198 is about 961.8191771166.

The spelling of 889775198 in words is "eight hundred eighty-nine million, seven hundred seventy-five thousand, one hundred ninety-eight".