478336763 has 4 divisors (see below), whose sum is σ = 478634928. Its totient is φ = 478038600.

The previous prime is 478336741. The next prime is 478336787. The reversal of 478336763 is 367633874.

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 478336763 - 2²⁰ = 477288187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478335763) 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, 146663 + ... + 149888.

It is an arithmetic number, because the mean of its divisors is an integer number (119658732).

Almost surely, 2^478336763 is an apocalyptic number.

478336763 is a deficient number, since it is larger than the sum of its proper divisors (298165).

478336763 is a wasteful number, since it uses less digits than its factorization.

478336763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298164.

The product of its digits is 1524096, while the sum is 47.

The square root of 478336763 is about 21870.9113436089. The cubic root of 478336763 is about 782.0681271224.

The spelling of 478336763 in words is "four hundred seventy-eight million, three hundred thirty-six thousand, seven hundred sixty-three".