9982279823 has 2 divisors, whose sum is σ = 9982279824. Its totient is φ = 9982279822.

The previous prime is 9982279733. The next prime is 9982279871. The reversal of 9982279823 is 3289722899.

9982279823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3289722899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9982279823 - 2²⁴ = 9965502607 is a prime.

It is a super-2 number, since 2×9982279823² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9982279873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991139911 + 4991139912.

It is an arithmetic number, because the mean of its divisors is an integer number (4991139912).

Almost surely, 2^9982279823 is an apocalyptic number.

9982279823 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982279823 is an equidigital number, since it uses as much as digits as its factorization.

9982279823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The square root of 9982279823 is about 99911.3598296010. The cubic root of 9982279823 is about 2153.1613721534.

The spelling of 9982279823 in words is "nine billion, nine hundred eighty-two million, two hundred seventy-nine thousand, eight hundred twenty-three".