478264004863 has 4 divisors (see below), whose sum is σ = 478305797040. Its totient is φ = 478222212688.

The previous prime is 478264004857. The next prime is 478264004909. The reversal of 478264004863 is 368400462874.

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 478264004863 - 2¹³ = 478263996671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478264004863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478264004063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20878918 + ... + 20901811.

It is an arithmetic number, because the mean of its divisors is an integer number (119576449260).

Almost surely, 2^478264004863 is an apocalyptic number.

478264004863 is a deficient number, since it is larger than the sum of its proper divisors (41792177).

478264004863 is a wasteful number, since it uses less digits than its factorization.

478264004863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41792176.

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 478264004863 in words is "four hundred seventy-eight billion, two hundred sixty-four million, four thousand, eight hundred sixty-three".