9999386847120 has 480 divisors, whose sum is σ = 34245175168512. Its totient is φ = 2411830784000.

The previous prime is 9999386847119. The next prime is 9999386847169. The reversal of 9999386847120 is 217486839999.

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 95 ways as a sum of consecutive naturals, for example, 5769985774 + ... + 5769987506.

Almost surely, 2^{9999386847120} 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 9999386847120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17122587584256).

9999386847120 is an abundant number, since it is smaller than the sum of its proper divisors (24245788321392).

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

9999386847120 is a wasteful number, since it uses less digits than its factorization.

9999386847120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 75.

The spelling of 9999386847120 in words is "nine trillion, nine hundred ninety-nine billion, three hundred eighty-six million, eight hundred forty-seven thousand, one hundred twenty".