889552705920 has 512 divisors, whose sum is σ = 3041254097280. Its totient is φ = 220377120768.

The previous prime is 889552705889. The next prime is 889552705963. The reversal of 889552705920 is 29507255988.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1597042282 + ... + 1597042838.

Almost surely, 2^889552705920 is an apocalyptic number.

889552705920 is a gapful number since it is divisible by the number (80) 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 889552705920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520627048640).

889552705920 is an abundant number, since it is smaller than the sum of its proper divisors (2151701391360).

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

889552705920 is a wasteful number, since it uses less digits than its factorization.

889552705920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 60.

The spelling of 889552705920 in words is "eight hundred eighty-nine billion, five hundred fifty-two million, seven hundred five thousand, nine hundred twenty".