9800999982 has 48 divisors (see below), whose sum is σ = 22224852000. Its totient is φ = 3115639296.

The previous prime is 9800999981. The next prime is 9801000023. The reversal of 9800999982 is 2899990089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800999981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104394 + ... + 174642.

It is an arithmetic number, because the mean of its divisors is an integer number (463017750).

Almost surely, 2^9800999982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9800999982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11112426000).

9800999982 is an abundant number, since it is smaller than the sum of its proper divisors (12423852018).

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

9800999982 is a wasteful number, since it uses less digits than its factorization.

9800999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70617 (or 70614 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The square root of 9800999982 is about 98999.9999090909. Note that the first 4 decimals coincide. The cubic root of 9800999982 is about 2140.0477456084.

The spelling of 9800999982 in words is "nine billion, eight hundred million, nine hundred ninety-nine thousand, nine hundred eighty-two".