9988892290000 has 100 divisors (see below), whose sum is σ = 26044423394836. Its totient is φ = 3688206336000.

The previous prime is 9988892289989. The next prime is 9988892290031. The reversal of 9988892290000 is 922988899.

It can be written as a sum of positive squares in 10 ways, for example, as 9908846300224 + 80045989776 = 3147832^2 + 282924^2 .

It is a tau number, because it is divible by the number of its divisors (100).

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 19 ways as a sum of consecutive naturals, for example, 38288817 + ... + 38548816.

Almost surely, 2^{9988892290000} is an apocalyptic number.

It is an amenable number.

9988892290000 is an abundant number, since it is smaller than the sum of its proper divisors (16055531104836).

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

9988892290000 is a wasteful number, since it uses less digits than its factorization.

9988892290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76837674 (or 76837653 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 9988892290000 in words is "nine trillion, nine hundred eighty-eight billion, eight hundred ninety-two million, two hundred ninety thousand".