9879722359 has 4 divisors (see below), whose sum is σ = 10639701016. Its totient is φ = 9119743704.

The previous prime is 9879722263. The next prime is 9879722371. The reversal of 9879722359 is 9532279789.

9879722359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9879722359 - 2¹⁵ = 9879689591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9879722297 and 9879722306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879722389) 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 in 3 ways as a sum of consecutive naturals, for example, 379989309 + ... + 379989334.

It is an arithmetic number, because the mean of its divisors is an integer number (2659925254).

Almost surely, 2^9879722359 is an apocalyptic number.

9879722359 is a deficient number, since it is larger than the sum of its proper divisors (759978657).

9879722359 is a wasteful number, since it uses less digits than its factorization.

9879722359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759978656.

The product of its digits is 17146080, while the sum is 61.

The square root of 9879722359 is about 99396.7924985510. The cubic root of 9879722359 is about 2145.7621486991.

The spelling of 9879722359 in words is "nine billion, eight hundred seventy-nine million, seven hundred twenty-two thousand, three hundred fifty-nine".