889307776 has 128 divisors (see below), whose sum is σ = 2103615360. Its totient is φ = 366612480.

The previous prime is 889307773. The next prime is 889307777. The reversal of 889307776 is 677703988.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (889307773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896615 + ... + 2896921.

It is an arithmetic number, because the mean of its divisors is an integer number (16434495).

Almost surely, 2^889307776 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 889307776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051807680).

889307776 is an abundant number, since it is smaller than the sum of its proper divisors (1214307584).

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

889307776 is a wasteful number, since it uses less digits than its factorization.

889307776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 889307776 is about 29821.2638229838. The cubic root of 889307776 is about 961.6507247585.

The spelling of 889307776 in words is "eight hundred eighty-nine million, three hundred seven thousand, seven hundred seventy-six".