992889896128 has 112 divisors (see below), whose sum is σ = 2136444430176. Its totient is φ = 455103774720.

The previous prime is 992889896111. The next prime is 992889896149. The reversal of 992889896128 is 821698988299.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308253558 + ... + 308256778.

It is an arithmetic number, because the mean of its divisors is an integer number (19075396698).

Almost surely, 2^992889896128 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 992889896128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068222215088).

992889896128 is an abundant number, since it is smaller than the sum of its proper divisors (1143554534048).

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

992889896128 is a wasteful number, since it uses less digits than its factorization.

992889896128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5672 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 79.

The spelling of 992889896128 in words is "nine hundred ninety-two billion, eight hundred eighty-nine million, eight hundred ninety-six thousand, one hundred twenty-eight".