889878528 has 576 divisors, whose sum is σ = 3485664000. Its totient is φ = 218972160.

The previous prime is 889878497. The next prime is 889878557. The reversal of 889878528 is 825878988.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (20643840) is a multiple of the sum of its prime divisors (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46835703 + ... + 46835721.

It is an arithmetic number, because the mean of its divisors is an integer number (6051500).

Almost surely, 2^889878528 is an apocalyptic number.

889878528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889878528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742832000).

889878528 is an abundant number, since it is smaller than the sum of its proper divisors (2595785472).

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

889878528 is a wasteful number, since it uses less digits than its factorization.

889878528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 42 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 63.

The square root of 889878528 is about 29830.8318355355. The cubic root of 889878528 is about 961.8564078422.

The spelling of 889878528 in words is "eight hundred eighty-nine million, eight hundred seventy-eight thousand, five hundred twenty-eight".