9223478784 has 240 divisors, whose sum is σ = 29045016000. Its totient is φ = 2800631808.

The previous prime is 9223478779. The next prime is 9223478827. The reversal of 9223478784 is 4878743229.

It is a happy number.

9223478784 is a `hidden beast` number, since 92 + 2 + 3 + 478 + 7 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9223478784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4731442 + ... + 4733390.

It is an arithmetic number, because the mean of its divisors is an integer number (121020900).

Almost surely, 2^9223478784 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 9223478784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14522508000).

9223478784 is an abundant number, since it is smaller than the sum of its proper divisors (19821537216).

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

9223478784 is a wasteful number, since it uses less digits than its factorization.

9223478784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2046 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 9223478784 is about 96038.9441008178. The cubic root of 9223478784 is about 2097.1600904657.

The spelling of 9223478784 in words is "nine billion, two hundred twenty-three million, four hundred seventy-eight thousand, seven hundred eighty-four".