889425708444 has 144 divisors (see below), whose sum is σ = 2768054860480. Its totient is φ = 234493056000.

The previous prime is 889425708427. The next prime is 889425708461. The reversal of 889425708444 is 444807524988.

889425708444 is a `hidden beast` number, since 8 + 89 + 42 + 5 + 70 + 8 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (889425708427) and next prime (889425708461).

It is a super-2 number, since 2×889425708444² (a number of 25 digits) contains 22 as substring.

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

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, 9786042 + ... + 9876510.

Almost surely, 2^889425708444 is an apocalyptic number.

889425708444 is a gapful number since it is divisible by the number (84) 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 889425708444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384027430240).

889425708444 is an abundant number, since it is smaller than the sum of its proper divisors (1878629152036).

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

889425708444 is a wasteful number, since it uses less digits than its factorization.

889425708444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93500 (or 93495 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 889425708444 in words is "eight hundred eighty-nine billion, four hundred twenty-five million, seven hundred eight thousand, four hundred forty-four".