478872663 has 8 divisors (see below), whose sum is σ = 641286000. Its totient is φ = 317853888.

The previous prime is 478872623. The next prime is 478872671. The reversal of 478872663 is 366278874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478872663 - 2¹⁰ = 478871639 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478872623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347838 + ... + 349211.

It is an arithmetic number, because the mean of its divisors is an integer number (80160750).

Almost surely, 2^478872663 is an apocalyptic number.

478872663 is a deficient number, since it is larger than the sum of its proper divisors (162413337).

478872663 is a wasteful number, since it uses less digits than its factorization.

478872663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697281.

The product of its digits is 2709504, while the sum is 51.

The square root of 478872663 is about 21883.1593468585. The cubic root of 478872663 is about 782.3600789603.

The spelling of 478872663 in words is "four hundred seventy-eight million, eight hundred seventy-two thousand, six hundred sixty-three".