4223578784 has 12 divisors (see below), whose sum is σ = 8315170794. Its totient is φ = 2111789376.

The previous prime is 4223578769. The next prime is 4223578789. The reversal of 4223578784 is 4878753224.

It can be written as a sum of positive squares in only one way, i.e., 4017024400 + 206554384 = 63380^2 + 14372^2 .

It is not an unprimeable number, because it can be changed into a prime (4223578789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65993387 + ... + 65993450.

Almost surely, 2^4223578784 is an apocalyptic number.

It is an amenable number.

4223578784 is a deficient number, since it is larger than the sum of its proper divisors (4091592010).

4223578784 is a wasteful number, since it uses less digits than its factorization.

4223578784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131986847 (or 131986839 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 50.

The square root of 4223578784 is about 64989.0666497065. The cubic root of 4223578784 is about 1616.4422742987.

The spelling of 4223578784 in words is "four billion, two hundred twenty-three million, five hundred seventy-eight thousand, seven hundred eighty-four".