477994448 has 20 divisors (see below), whose sum is σ = 930165540. Its totient is φ = 237951744.

The previous prime is 477994417. The next prime is 477994463. The reversal of 477994448 is 844499774.

It can be written as a sum of positive squares in 2 ways, for example, as 435640384 + 42354064 = 20872^2 + 6508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 477994393 and 477994402.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 61565 + ... + 68892.

It is an arithmetic number, because the mean of its divisors is an integer number (46508277).

Almost surely, 2^477994448 is an apocalyptic number.

It is an amenable number.

477994448 is a deficient number, since it is larger than the sum of its proper divisors (452171092).

477994448 is a wasteful number, since it uses less digits than its factorization.

477994448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130694 (or 130688 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 477994448 is about 21863.0841374221. The cubic root of 477994448 is about 781.8815239041.

The spelling of 477994448 in words is "four hundred seventy-seven million, nine hundred ninety-four thousand, four hundred forty-eight".