9798338979 has 48 divisors (see below), whose sum is σ = 16648719360. Its totient is φ = 5474589120.

The previous prime is 9798338947. The next prime is 9798339029.

9798338979 is a `hidden beast` number, since 97 + 98 + 3 + 389 + 79 = 666.

9798338979 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9798338979 - 2⁵ = 9798338947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9798338929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1101102 + ... + 1109964.

It is an arithmetic number, because the mean of its divisors is an integer number (346848320).

Almost surely, 2^9798338979 is an apocalyptic number.

9798338979 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9798338979 is a deficient number, since it is larger than the sum of its proper divisors (6850380381).

9798338979 is a wasteful number, since it uses less digits than its factorization.

9798338979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9752 (or 9749 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The square root of 9798338979 is about 98986.5595876531. The cubic root of 9798338979 is about 2139.8540514638.

The spelling of 9798338979 in words is "nine billion, seven hundred ninety-eight million, three hundred thirty-eight thousand, nine hundred seventy-nine".