9982279807 has 4 divisors (see below), whose sum is σ = 10119023440. Its totient is φ = 9845536176.

The previous prime is 9982279733. The next prime is 9982279823. The reversal of 9982279807 is 7089722899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9982279807 - 2³¹ = 7834796159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982279897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68371707 + ... + 68371852.

It is an arithmetic number, because the mean of its divisors is an integer number (2529755860).

Almost surely, 2^9982279807 is an apocalyptic number.

9982279807 is a deficient number, since it is larger than the sum of its proper divisors (136743633).

9982279807 is a wasteful number, since it uses less digits than its factorization.

9982279807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136743632.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The square root of 9982279807 is about 99911.3597495300. The cubic root of 9982279807 is about 2153.1613710030.

The spelling of 9982279807 in words is "nine billion, nine hundred eighty-two million, two hundred seventy-nine thousand, eight hundred seven".