478404563 has 16 divisors (see below), whose sum is σ = 590257920. Its totient is φ = 377584416.

The previous prime is 478404527. The next prime is 478404569. The reversal of 478404563 is 365404874.

It is a cyclic number.

It is not a de Polignac number, because 478404563 - 2²² = 474210259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478404563.

It is not an unprimeable number, because it can be changed into a prime (478404569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31856 + ... + 44402.

It is an arithmetic number, because the mean of its divisors is an integer number (36891120).

Almost surely, 2^478404563 is an apocalyptic number.

478404563 is a deficient number, since it is larger than the sum of its proper divisors (111853357).

478404563 is a wasteful number, since it uses less digits than its factorization.

478404563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 478404563 is about 21872.4612926849. The cubic root of 478404563 is about 782.1050757871.

The spelling of 478404563 in words is "four hundred seventy-eight million, four hundred four thousand, five hundred sixty-three".