9798327331983 has 48 divisors (see below), whose sum is σ = 15381950220000. Its totient is φ = 5985997608960.

The previous prime is 9798327331981. The next prime is 9798327331987. The reversal of 9798327331983 is 3891337238979.

9798327331983 is a `hidden beast` number, since 97 + 9 + 83 + 2 + 73 + 319 + 83 = 666.

It is a Cunningham number, because it is equal to 3130228²-1.

It is not a de Polignac number, because 9798327331983 - 2¹ = 9798327331981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9798327331981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1565113 + ... + 4695341.

It is an arithmetic number, because the mean of its divisors is an integer number (320457296250).

Almost surely, 2^{9798327331983} is an apocalyptic number.

9798327331983 is a deficient number, since it is larger than the sum of its proper divisors (5583622888017).

9798327331983 is a wasteful number, since it uses less digits than its factorization.

9798327331983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130792 (or 3130789 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 9798327331983 in words is "nine trillion, seven hundred ninety-eight billion, three hundred twenty-seven million, three hundred thirty-one thousand, nine hundred eighty-three".