989774872576000 has 2688 divisors, whose sum is σ = 3256270852423680. Its totient is φ = 292326211584000.

The previous prime is 989774872575997. The next prime is 989774872576067. The reversal of 989774872576000 is 675278477989.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11121065983956 + ... + 11121065984044.

It is an arithmetic number, because the mean of its divisors is an integer number (1211410287360).

Almost surely, 2^{989774872576000} 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 989774872576000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628135426211840).

989774872576000 is an abundant number, since it is smaller than the sum of its proper divisors (2266495979847680).

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

989774872576000 is an frugal number, since it uses more digits than its factorization.

989774872576000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2987228160, while the sum is 79.

The spelling of 989774872576000 in words is "nine hundred eighty-nine trillion, seven hundred seventy-four billion, eight hundred seventy-two million, five hundred seventy-six thousand".