889288816 has 90 divisors (see below), whose sum is σ = 1944795168. Its totient is φ = 393344640.

The previous prime is 889288759. The next prime is 889288843. The reversal of 889288816 is 618882988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8633821 + ... + 8633923.

Almost surely, 2^889288816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889288816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972397584).

889288816 is an abundant number, since it is smaller than the sum of its proper divisors (1055506352).

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

889288816 is a wasteful number, since it uses less digits than its factorization.

889288816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 149 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 58.

The square root of 889288816 is about 29820.9459273176. The cubic root of 889288816 is about 961.6438905939.

The spelling of 889288816 in words is "eight hundred eighty-nine million, two hundred eighty-eight thousand, eight hundred sixteen".