9857843200000 has 432 divisors, whose sum is σ = 25286989060368. Its totient is φ = 3840409600000.

The previous prime is 9857843199983. The next prime is 9857843200031. The reversal of 9857843200000 is 23487589.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16793599707 + ... + 16793600293.

It is an arithmetic number, because the mean of its divisors is an integer number (58534696899).

Almost surely, 2^{9857843200000} 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 9857843200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12643494530184).

9857843200000 is an abundant number, since it is smaller than the sum of its proper divisors (15429145860368).

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

9857843200000 is an frugal number, since it uses more digits than its factorization.

9857843200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

Adding to 9857843200000 its reverse (23487589), we get a palindrome (9857866687589).

The spelling of 9857843200000 in words is "nine trillion, eight hundred fifty-seven billion, eight hundred forty-three million, two hundred thousand".