478785448 has 16 divisors (see below), whose sum is σ = 899225460. Its totient is φ = 238992000.

The previous prime is 478785431. The next prime is 478785469. The reversal of 478785448 is 844587874.

It can be written as a sum of positive squares in 2 ways, for example, as 408929284 + 69856164 = 20222^2 + 8358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44983 + ... + 54598.

Almost surely, 2^478785448 is an apocalyptic number.

It is an amenable number.

478785448 is a deficient number, since it is larger than the sum of its proper divisors (420440012).

478785448 is a wasteful number, since it uses less digits than its factorization.

478785448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100188 (or 100184 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 55.

The square root of 478785448 is about 21881.1665136939. The cubic root of 478785448 is about 782.3125801279.

The spelling of 478785448 in words is "four hundred seventy-eight million, seven hundred eighty-five thousand, four hundred forty-eight".