9879559789 has 16 divisors (see below), whose sum is σ = 11348928000. Its totient is φ = 8505727920.

The previous prime is 9879559763. The next prime is 9879559799.

9879559789 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9879559789 - 2⁵ = 9879559757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879559799) 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 15 ways as a sum of consecutive naturals, for example, 758272 + ... + 771190.

It is an arithmetic number, because the mean of its divisors is an integer number (709308000).

Almost surely, 2^9879559789 is an apocalyptic number.

It is an amenable number.

9879559789 is a deficient number, since it is larger than the sum of its proper divisors (1469368211).

9879559789 is a wasteful number, since it uses less digits than its factorization.

9879559789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608.

The product of its digits is 514382400, while the sum is 76.

The square root of 9879559789 is about 99395.9747122588. The cubic root of 9879559789 is about 2145.7503791893.

The spelling of 9879559789 in words is "nine billion, eight hundred seventy-nine million, five hundred fifty-nine thousand, seven hundred eighty-nine".