4378784548 has 24 divisors (see below), whose sum is σ = 7695411192. Its totient is φ = 2180116224.

The previous prime is 4378784539. The next prime is 4378784561. The reversal of 4378784548 is 8454878734.

It can be written as a sum of positive squares in 4 ways, for example, as 1428991204 + 2949793344 = 37802^2 + 54312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4378784492 and 4378784501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073040 + ... + 1077112.

It is an arithmetic number, because the mean of its divisors is an integer number (320642133).

Almost surely, 2^4378784548 is an apocalyptic number.

It is an amenable number.

4378784548 is a deficient number, since it is larger than the sum of its proper divisors (3316626644).

4378784548 is a wasteful number, since it uses less digits than its factorization.

4378784548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5149 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 58.

The square root of 4378784548 is about 66172.3850862276. The cubic root of 4378784548 is about 1636.0046194596.

The spelling of 4378784548 in words is "four billion, three hundred seventy-eight million, seven hundred eighty-four thousand, five hundred forty-eight".