478485203 has 4 divisors (see below), whose sum is σ = 546840240. Its totient is φ = 410130168.

The previous prime is 478485193. The next prime is 478485233. The reversal of 478485203 is 302584874.

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

It is not a de Polignac number, because 478485203 - 2¹⁸ = 478223059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478485233) 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, 34177508 + ... + 34177521.

It is an arithmetic number, because the mean of its divisors is an integer number (136710060).

Almost surely, 2^478485203 is an apocalyptic number.

478485203 is a deficient number, since it is larger than the sum of its proper divisors (68355037).

478485203 is an equidigital number, since it uses as much as digits as its factorization.

478485203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68355036.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 478485203 is about 21874.3046289476. The cubic root of 478485203 is about 782.1490172646.

The spelling of 478485203 in words is "four hundred seventy-eight million, four hundred eighty-five thousand, two hundred three".