889594495988 has 18 divisors (see below), whose sum is σ = 1711182802098. Its totient is φ = 404361134320.

The previous prime is 889594495987. The next prime is 889594496003.

889594495988 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 489009301264 + 400585194724 = 699292^2 + 632918^2 .

It is a super-2 number, since 2×889594495988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889594495987) 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, 919002095 + ... + 919003062.

Almost surely, 2^889594495988 is an apocalyptic number.

It is an amenable number.

889594495988 is a deficient number, since it is larger than the sum of its proper divisors (821588306110).

889594495988 is a wasteful number, since it uses less digits than its factorization.

889594495988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838005183 (or 1838005170 counting only the distinct ones).

The product of its digits is 10749542400, while the sum is 86.

The spelling of 889594495988 in words is "eight hundred eighty-nine billion, five hundred ninety-four million, four hundred ninety-five thousand, nine hundred eighty-eight".