478651563 has 24 divisors (see below), whose sum is σ = 768593280. Its totient is φ = 285050880.

The previous prime is 478651561. The next prime is 478651571. The reversal of 478651563 is 365156874.

478651563 is a `hidden beast` number, since 4 + 7 + 86 + 5 + 1 + 563 = 666.

It is not a de Polignac number, because 478651563 - 2¹ = 478651561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478651561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62358 + ... + 69611.

It is an arithmetic number, because the mean of its divisors is an integer number (32024720).

Almost surely, 2^478651563 is an apocalyptic number.

478651563 is a deficient number, since it is larger than the sum of its proper divisors (289941717).

478651563 is a wasteful number, since it uses less digits than its factorization.

478651563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132019 (or 132016 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 478651563 is about 21878.1069336449. The cubic root of 478651563 is about 782.2396527623.

The spelling of 478651563 in words is "four hundred seventy-eight million, six hundred fifty-one thousand, five hundred sixty-three".