9982279808 has 24 divisors (see below), whose sum is σ = 19888825215. Its totient is φ = 4990574720.

The previous prime is 9982279733. The next prime is 9982279823. The reversal of 9982279808 is 8089722899.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4991139904 + 4991139904 = 70648^2 + 70648^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70648.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 1125953 + ... + 1134783.

Almost surely, 2^9982279808 is an apocalyptic number.

It is an amenable number.

9982279808 is a deficient number, since it is larger than the sum of its proper divisors (9906545407).

9982279808 is an frugal number, since it uses more digits than its factorization.

9982279808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17676 (or 8833 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The square root of 9982279808 is about 99911.3597545344. The cubic root of 9982279808 is about 2153.1613710749.

The spelling of 9982279808 in words is "nine billion, nine hundred eighty-two million, two hundred seventy-nine thousand, eight hundred eight".