889217568 has 96 divisors (see below), whose sum is σ = 2632432320. Its totient is φ = 291962880.

The previous prime is 889217533. The next prime is 889217573. The reversal of 889217568 is 865712988.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50208 + ... + 65568.

It is an arithmetic number, because the mean of its divisors is an integer number (27421170).

Almost surely, 2^889217568 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 889217568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316216160).

889217568 is an abundant number, since it is smaller than the sum of its proper divisors (1743214752).

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

889217568 is a wasteful number, since it uses less digits than its factorization.

889217568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15447 (or 15433 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 889217568 is about 29819.7513068101. The cubic root of 889217568 is about 961.6182082611.

The spelling of 889217568 in words is "eight hundred eighty-nine million, two hundred seventeen thousand, five hundred sixty-eight".