9664837223 has 4 divisors (see below), whose sum is σ = 9674140320. Its totient is φ = 9655534128.

The previous prime is 9664837201. The next prime is 9664837307. The reversal of 9664837223 is 3227384669.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9664837223 - 2⁶ = 9664837159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664837123) 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, 4649990 + ... + 4652067.

It is an arithmetic number, because the mean of its divisors is an integer number (2418535080).

Almost surely, 2^9664837223 is an apocalyptic number.

9664837223 is a deficient number, since it is larger than the sum of its proper divisors (9303097).

9664837223 is a wasteful number, since it uses less digits than its factorization.

9664837223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303096.

The product of its digits is 2612736, while the sum is 50.

The square root of 9664837223 is about 98309.9039924259. The cubic root of 9664837223 is about 2130.0911172788.

The spelling of 9664837223 in words is "nine billion, six hundred sixty-four million, eight hundred thirty-seven thousand, two hundred twenty-three".