9879532417 has 4 divisors (see below), whose sum is σ = 9944959936. Its totient is φ = 9814104900.

The previous prime is 9879532379. The next prime is 9879532433. The reversal of 9879532417 is 7142359789.

It is a happy number.

9879532417 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9879532417 - 2¹⁹ = 9879008129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9879532717) 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, 32713533 + ... + 32713834.

It is an arithmetic number, because the mean of its divisors is an integer number (2486239984).

Almost surely, 2^9879532417 is an apocalyptic number.

It is an amenable number.

9879532417 is a deficient number, since it is larger than the sum of its proper divisors (65427519).

9879532417 is a wasteful number, since it uses less digits than its factorization.

9879532417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65427518.

The product of its digits is 3810240, while the sum is 55.

The square root of 9879532417 is about 99395.8370204708. The cubic root of 9879532417 is about 2145.7483975378.

The spelling of 9879532417 in words is "nine billion, eight hundred seventy-nine million, five hundred thirty-two thousand, four hundred seventeen".