9798821376 has 160 divisors (see below), whose sum is σ = 27692299008. Its totient is φ = 3072368640.

The previous prime is 9798821323. The next prime is 9798821393. The reversal of 9798821376 is 6731288979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2152735 + ... + 2157281.

Almost surely, 2^9798821376 is an apocalyptic number.

9798821376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9798821376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13846149504).

9798821376 is an abundant number, since it is smaller than the sum of its proper divisors (17893477632).

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

9798821376 is a wasteful number, since it uses less digits than its factorization.

9798821376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652 (or 4636 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 9798821376 is about 98988.9962369555. The cubic root of 9798821376 is about 2139.8891676958.

The spelling of 9798821376 in words is "nine billion, seven hundred ninety-eight million, eight hundred twenty-one thousand, three hundred seventy-six".