478322263 has 4 divisors (see below), whose sum is σ = 486429480. Its totient is φ = 470215048.

The previous prime is 478322231. The next prime is 478322267. The reversal of 478322263 is 362223874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362223874 = 2 ⋅181111937.

It is a cyclic number.

It is not a de Polignac number, because 478322263 - 2⁵ = 478322231 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 (478322267) 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, 4053520 + ... + 4053637.

It is an arithmetic number, because the mean of its divisors is an integer number (121607370).

Almost surely, 2^478322263 is an apocalyptic number.

478322263 is a deficient number, since it is larger than the sum of its proper divisors (8107217).

478322263 is an equidigital number, since it uses as much as digits as its factorization.

478322263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107216.

The product of its digits is 96768, while the sum is 37.

The square root of 478322263 is about 21870.5798505664. The cubic root of 478322263 is about 782.0602246686.

The spelling of 478322263 in words is "four hundred seventy-eight million, three hundred twenty-two thousand, two hundred sixty-three".