478938095866 has 8 divisors (see below), whose sum is σ = 743179804020. Its totient is φ = 231211494528.

The previous prime is 478938095849. The next prime is 478938095899. The reversal of 478938095866 is 668590839874.

It can be written as a sum of positive squares in 2 ways, for example, as 459175640625 + 19762455241 = 677625^2 + 140579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 4128776631 + ... + 4128776746.

Almost surely, 2^478938095866 is an apocalyptic number.

478938095866 is a deficient number, since it is larger than the sum of its proper divisors (264241708154).

478938095866 is a wasteful number, since it uses less digits than its factorization.

478938095866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257553408.

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 478938095866 in words is "four hundred seventy-eight billion, nine hundred thirty-eight million, ninety-five thousand, eight hundred sixty-six".