9872317488384 has 864 divisors, whose sum is σ = 32623613568000. Its totient is φ = 2849469235200.

The previous prime is 9872317488367. The next prime is 9872317488479. The reversal of 9872317488384 is 4838847132789.

It is a happy number.

9872317488384 is a `hidden beast` number, since 9 + 8 + 7 + 231 + 7 + 4 + 8 + 8 + 384 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6585934867 + ... + 6585936365.

It is an arithmetic number, because the mean of its divisors is an integer number (37758812000).

Almost surely, 2^{9872317488384} 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 9872317488384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16311806784000).

9872317488384 is an abundant number, since it is smaller than the sum of its proper divisors (22751296079616).

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

9872317488384 is a wasteful number, since it uses less digits than its factorization.

9872317488384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1762 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 72.

The spelling of 9872317488384 in words is "nine trillion, eight hundred seventy-two billion, three hundred seventeen million, four hundred eighty-eight thousand, three hundred eighty-four".