478533307 has 4 divisors (see below), whose sum is σ = 546895216. Its totient is φ = 410171400.

The previous prime is 478533299. The next prime is 478533347. The reversal of 478533307 is 703335874.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 478533307 - 2³ = 478533299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478533307.

It is not an unprimeable number, because it can be changed into a prime (478533347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34180944 + ... + 34180957.

It is an arithmetic number, because the mean of its divisors is an integer number (136723804).

Almost surely, 2^478533307 is an apocalyptic number.

478533307 is a deficient number, since it is larger than the sum of its proper divisors (68361909).

478533307 is an equidigital number, since it uses as much as digits as its factorization.

478533307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68361908.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 478533307 is about 21875.4041562665. The cubic root of 478533307 is about 782.1752272256.

The spelling of 478533307 in words is "four hundred seventy-eight million, five hundred thirty-three thousand, three hundred seven".