889686988 has 6 divisors (see below), whose sum is σ = 1556952236. Its totient is φ = 444843492.

The previous prime is 889686983. The next prime is 889687021.

889686988 is nontrivially palindromic in base 10.

889686988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (889686983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111210870 + ... + 111210877.

Almost surely, 2^889686988 is an apocalyptic number.

It is an amenable number.

889686988 is a deficient number, since it is larger than the sum of its proper divisors (667265248).

889686988 is a wasteful number, since it uses less digits than its factorization.

889686988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222421751 (or 222421749 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 70.

The square root of 889686988 is about 29827.6212259711. The cubic root of 889686988 is about 961.7873919820.

The spelling of 889686988 in words is "eight hundred eighty-nine million, six hundred eighty-six thousand, nine hundred eighty-eight".