478756283 has 4 divisors (see below), whose sum is σ = 491695680. Its totient is φ = 465816888.

The previous prime is 478756277. The next prime is 478756301. The reversal of 478756283 is 382657874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382657874 = 2 ⋅191328937.

It is a cyclic number.

It is not a de Polignac number, because 478756283 - 2¹⁰ = 478755259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478756483) 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, 6469643 + ... + 6469716.

It is an arithmetic number, because the mean of its divisors is an integer number (122923920).

Almost surely, 2^478756283 is an apocalyptic number.

478756283 is a deficient number, since it is larger than the sum of its proper divisors (12939397).

478756283 is a wasteful number, since it uses less digits than its factorization.

478756283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939396.

The product of its digits is 2257920, while the sum is 50.

The square root of 478756283 is about 21880.5000628413. The cubic root of 478756283 is about 782.2966950658.

The spelling of 478756283 in words is "four hundred seventy-eight million, seven hundred fifty-six thousand, two hundred eighty-three".