9478868565 has 16 divisors (see below), whose sum is σ = 15167714688. Its totient is φ = 5054888256.

The previous prime is 9478868533. The next prime is 9478868579. The reversal of 9478868565 is 5658688749.

9478868565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9478868565 - 2⁵ = 9478868533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9478868496 and 9478868505.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 159547 + ... + 210743.

It is an arithmetic number, because the mean of its divisors is an integer number (947982168).

Almost surely, 2^9478868565 is an apocalyptic number.

It is an amenable number.

9478868565 is a deficient number, since it is larger than the sum of its proper divisors (5688846123).

9478868565 is a wasteful number, since it uses less digits than its factorization.

9478868565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63548.

The product of its digits is 116121600, while the sum is 66.

The square root of 9478868565 is about 97359.4811253634. The cubic root of 9478868565 is about 2116.3402924837.

The spelling of 9478868565 in words is "nine billion, four hundred seventy-eight million, eight hundred sixty-eight thousand, five hundred sixty-five".