9879559 has 4 divisors (see below), whose sum is σ = 9891000. Its totient is φ = 9868120.

The previous prime is 9879557. The next prime is 9879577. The reversal of 9879559 is 9559789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9559789 = 23 ⋅415643.

It is a cyclic number.

It is not a de Polignac number, because 9879559 - 2¹ = 9879557 is a prime.

It is a Duffinian number.

9879559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309 + ... + 6190.

It is an arithmetic number, because the mean of its divisors is an integer number (2472750).

Almost surely, 2^9879559 is an apocalyptic number.

9879559 is a deficient number, since it is larger than the sum of its proper divisors (11441).

9879559 is a wasteful number, since it uses less digits than its factorization.

9879559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440.

The product of its digits is 1020600, while the sum is 52.

The square root of 9879559 is about 3143.1765779224. The cubic root of 9879559 is about 214.5750322068.

The spelling of 9879559 in words is "nine million, eight hundred seventy-nine thousand, five hundred fifty-nine".