478475668 has 12 divisors (see below), whose sum is σ = 913453632. Its totient is φ = 217488920.

The previous prime is 478475639. The next prime is 478475671. The reversal of 478475668 is 866574874.

It is a congruent number.

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, 5437180 + ... + 5437267.

It is an arithmetic number, because the mean of its divisors is an integer number (76121136).

Almost surely, 2^478475668 is an apocalyptic number.

It is an amenable number.

478475668 is a deficient number, since it is larger than the sum of its proper divisors (434977964).

478475668 is a wasteful number, since it uses less digits than its factorization.

478475668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874462 (or 10874460 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The square root of 478475668 is about 21874.0866780764. The cubic root of 478475668 is about 782.1438218128.

The spelling of 478475668 in words is "four hundred seventy-eight million, four hundred seventy-five thousand, six hundred sixty-eight".