478804863 has 4 divisors (see below), whose sum is σ = 638406488. Its totient is φ = 319203240.

The previous prime is 478804853. The next prime is 478804867. The reversal of 478804863 is 368408874.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 478804863 - 2⁵ = 478804831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478804867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79800808 + ... + 79800813.

It is an arithmetic number, because the mean of its divisors is an integer number (159601622).

Almost surely, 2^478804863 is an apocalyptic number.

478804863 is a deficient number, since it is larger than the sum of its proper divisors (159601625).

478804863 is a wasteful number, since it uses less digits than its factorization.

478804863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159601624.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 478804863 is about 21881.6101555621. The cubic root of 478804863 is about 782.3231543795.

The spelling of 478804863 in words is "four hundred seventy-eight million, eight hundred four thousand, eight hundred sixty-three".