478863904 has 24 divisors (see below), whose sum is σ = 960554700. Its totient is φ = 234913536.

The previous prime is 478863893. The next prime is 478863911. The reversal of 478863904 is 409368874.

It can be written as a sum of positive squares in 2 ways, for example, as 421891600 + 56972304 = 20540^2 + 7548^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139479 + ... + 142870.

Almost surely, 2^478863904 is an apocalyptic number.

It is an amenable number.

478863904 is an abundant number, since it is smaller than the sum of its proper divisors (481690796).

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

478863904 is a wasteful number, since it uses less digits than its factorization.

478863904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282412 (or 282404 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 478863904 is about 21882.9592148777. The cubic root of 478863904 is about 782.3553089144.

The spelling of 478863904 in words is "four hundred seventy-eight million, eight hundred sixty-three thousand, nine hundred four".