889390080000 has 420 divisors, whose sum is σ = 3210629033898. Its totient is φ = 237158400000.

The previous prime is 889390079987. The next prime is 889390080001. The reversal of 889390080000 is 80093988.

It can be written as a sum of positive squares in 5 ways, for example, as 17601859584 + 871788220416 = 132672^2 + 933696^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (889390080001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 46070350 + ... + 46089650.

Almost surely, 2^889390080000 is an apocalyptic number.

889390080000 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 889390080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605314516949).

889390080000 is an abundant number, since it is smaller than the sum of its proper divisors (2321238953898).

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

889390080000 is an equidigital number, since it uses as much as digits as its factorization.

889390080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19353 (or 19311 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 889390080000 in words is "eight hundred eighty-nine billion, three hundred ninety million, eighty thousand".