889888988 has 6 divisors (see below), whose sum is σ = 1557305736. Its totient is φ = 444944492.

The previous prime is 889888963. The next prime is 889889003.

889888988 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111236120 + ... + 111236127.

It is an arithmetic number, because the mean of its divisors is an integer number (259550956).

Almost surely, 2^889888988 is an apocalyptic number.

It is an amenable number.

889888988 is a deficient number, since it is larger than the sum of its proper divisors (667416748).

889888988 is a wasteful number, since it uses less digits than its factorization.

889888988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222472251 (or 222472249 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 74.

The square root of 889888988 is about 29831.0071569835. The cubic root of 889888988 is about 961.8601765134.

The spelling of 889888988 in words is "eight hundred eighty-nine million, eight hundred eighty-eight thousand, nine hundred eighty-eight".