9665238904 has 16 divisors (see below), whose sum is σ = 18129765600. Its totient is φ = 4830634752.

The previous prime is 9665238857. The next prime is 9665238911. The reversal of 9665238904 is 4098325669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227289 + ... + 266440.

It is an arithmetic number, because the mean of its divisors is an integer number (1133110350).

Almost surely, 2^9665238904 is an apocalyptic number.

It is an amenable number.

9665238904 is a deficient number, since it is larger than the sum of its proper divisors (8464526696).

9665238904 is a wasteful number, since it uses less digits than its factorization.

9665238904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496182 (or 496178 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 9665238904 is about 98311.9469037207. The cubic root of 9665238904 is about 2130.1206264938.

The spelling of 9665238904 in words is "nine billion, six hundred sixty-five million, two hundred thirty-eight thousand, nine hundred four".