478912831566 has 16 divisors (see below), whose sum is σ = 1031504560464. Its totient is φ = 147357794304.

The previous prime is 478912831451. The next prime is 478912831567. The reversal of 478912831566 is 665138219874.

It is a happy number.

478912831566 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478912831567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069953971 + ... + 3069954126.

It is an arithmetic number, because the mean of its divisors is an integer number (64469035029).

Almost surely, 2^478912831566 is an apocalyptic number.

478912831566 is an abundant number, since it is smaller than the sum of its proper divisors (552591728898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478912831566 is a wasteful number, since it uses less digits than its factorization.

478912831566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139908115.

The product of its digits is 17418240, while the sum is 60.

The spelling of 478912831566 in words is "four hundred seventy-eight billion, nine hundred twelve million, eight hundred thirty-one thousand, five hundred sixty-six".