478481858 has 16 divisors (see below), whose sum is σ = 739899360. Its totient is φ = 231960096.

The previous prime is 478481833. The next prime is 478481863. The reversal of 478481858 is 858184874.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19160 + ... + 36387.

It is an arithmetic number, because the mean of its divisors is an integer number (46243710).

Almost surely, 2^478481858 is an apocalyptic number.

478481858 is a deficient number, since it is larger than the sum of its proper divisors (261417502).

478481858 is a wasteful number, since it uses less digits than its factorization.

478481858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55681.

The product of its digits is 2293760, while the sum is 53.

The square root of 478481858 is about 21874.2281692406. The cubic root of 478481858 is about 782.1471946415.

The spelling of 478481858 in words is "four hundred seventy-eight million, four hundred eighty-one thousand, eight hundred fifty-eight".