9873791488000 has 832 divisors, whose sum is σ = 28642584462336. Its totient is φ = 3358064640000.

The previous prime is 9873791487929. The next prime is 9873791488013. The reversal of 9873791488000 is 8841973789.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26904063817 + ... + 26904064183.

It is an arithmetic number, because the mean of its divisors is an integer number (34426183248).

Almost surely, 2^{9873791488000} 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 9873791488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14321292231168).

9873791488000 is an abundant number, since it is smaller than the sum of its proper divisors (18768792974336).

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

9873791488000 is a wasteful number, since it uses less digits than its factorization.

9873791488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 9873791488000 in words is "nine trillion, eight hundred seventy-three billion, seven hundred ninety-one million, four hundred eighty-eight thousand".