9381887900000 has 432 divisors, whose sum is σ = 29297654923824. Its totient is φ = 2924208000000.

The previous prime is 9381887899999. The next prime is 9381887900023. The reversal of 9381887900000 is 97881839.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53812970 + ... + 53987030.

It is an arithmetic number, because the mean of its divisors is an integer number (67818645657).

Almost surely, 2^{9381887900000} 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 9381887900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14648827461912).

9381887900000 is an abundant number, since it is smaller than the sum of its proper divisors (19915767023824).

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

9381887900000 is a wasteful number, since it uses less digits than its factorization.

9381887900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174121 (or 174086 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 9381887900000 in words is "nine trillion, three hundred eighty-one billion, eight hundred eighty-seven million, nine hundred thousand".