478511647711 has 4 divisors (see below), whose sum is σ = 506659391712. Its totient is φ = 450363903712.

The previous prime is 478511647699. The next prime is 478511647717. The reversal of 478511647711 is 117746115874.

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

It is not a de Polignac number, because 478511647711 - 2⁹ = 478511647199 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 (478511647717) 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, 14073871975 + ... + 14073872008.

It is an arithmetic number, because the mean of its divisors is an integer number (126664847928).

Almost surely, 2^478511647711 is an apocalyptic number.

478511647711 is a deficient number, since it is larger than the sum of its proper divisors (28147744001).

478511647711 is a wasteful number, since it uses less digits than its factorization.

478511647711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28147744000.

The product of its digits is 1317120, while the sum is 52.

The spelling of 478511647711 in words is "four hundred seventy-eight billion, five hundred eleven million, six hundred forty-seven thousand, seven hundred eleven".