9864763883520 has 960 divisors, whose sum is σ = 39081482958336. Its totient is φ = 2069008220160.

The previous prime is 9864763883501. The next prime is 9864763883551. The reversal of 9864763883520 is 253883674689.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

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, 4047911742 + ... + 4047914178.

Almost surely, 2^{9864763883520} 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 9864763883520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19540741479168).

9864763883520 is an abundant number, since it is smaller than the sum of its proper divisors (29216719074816).

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

9864763883520 is a wasteful number, since it uses less digits than its factorization.

9864763883520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 69.

The spelling of 9864763883520 in words is "nine trillion, eight hundred sixty-four billion, seven hundred sixty-three million, eight hundred eighty-three thousand, five hundred twenty".