9797853821184 has 432 divisors, whose sum is σ = 34085399659584. Its totient is φ = 2666583244800.

The previous prime is 9797853821183. The next prime is 9797853821213. The reversal of 9797853821184 is 4811283587979.

9797853821184 is a `hidden beast` number, since 9 + 7 + 9 + 7 + 8 + 538 + 2 + 1 + 1 + 84 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (9797853821183) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11788599 + ... + 12592329.

Almost surely, 2^{9797853821184} 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 9797853821184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17042699829792).

9797853821184 is an abundant number, since it is smaller than the sum of its proper divisors (24287545838400).

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

9797853821184 is a wasteful number, since it uses less digits than its factorization.

9797853821184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803814 (or 803797 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 72.

The spelling of 9797853821184 in words is "nine trillion, seven hundred ninety-seven billion, eight hundred fifty-three million, eight hundred twenty-one thousand, one hundred eighty-four".