9423612864 has 84 divisors (see below), whose sum is σ = 27205640280. Its totient is φ = 3118579200.

The previous prime is 9423612859. The next prime is 9423612889. The reversal of 9423612864 is 4682163249.

9423612864 is a `hidden beast` number, since 9 + 4 + 2 + 361 + 286 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21214 + ... + 138914.

It is an arithmetic number, because the mean of its divisors is an integer number (323876670).

Almost surely, 2^9423612864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9423612864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13602820140).

9423612864 is an abundant number, since it is smaller than the sum of its proper divisors (17782027416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9423612864 is a wasteful number, since it uses less digits than its factorization.

9423612864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117858 (or 117845 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 9423612864 is about 97075.2948179917. The cubic root of 9423612864 is about 2112.2199753659.

The spelling of 9423612864 in words is "nine billion, four hundred twenty-three million, six hundred twelve thousand, eight hundred sixty-four".