9843236772798 has 384 divisors, whose sum is σ = 24461870856192. Its totient is φ = 2620189440000.

The previous prime is 9843236772797. The next prime is 9843236772857. The reversal of 9843236772798 is 8972776323489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9843236772793) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6783759973 + ... + 6783761423.

It is an arithmetic number, because the mean of its divisors is an integer number (63702788688).

Almost surely, 2^{9843236772798} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9843236772798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12230935428096).

9843236772798 is an abundant number, since it is smaller than the sum of its proper divisors (14618634083394).

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

9843236772798 is a wasteful number, since it uses less digits than its factorization.

9843236772798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1941 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 75.

The spelling of 9843236772798 in words is "nine trillion, eight hundred forty-three billion, two hundred thirty-six million, seven hundred seventy-two thousand, seven hundred ninety-eight".