478449636327 has 16 divisors (see below), whose sum is σ = 763338451680. Its totient is φ = 294430545216.

The previous prime is 478449636319. The next prime is 478449636331. The reversal of 478449636327 is 723636944874.

478449636327 is a `hidden beast` number, since 4 + 7 + 84 + 496 + 3 + 63 + 2 + 7 = 666.

It is not a de Polignac number, because 478449636327 - 2³ = 478449636319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478449636307) 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 15 ways as a sum of consecutive naturals, for example, 681551838 + ... + 681552539.

It is an arithmetic number, because the mean of its divisors is an integer number (47708653230).

Almost surely, 2^478449636327 is an apocalyptic number.

478449636327 is a deficient number, since it is larger than the sum of its proper divisors (284888815353).

478449636327 is a wasteful number, since it uses less digits than its factorization.

478449636327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363104399 (or 1363104393 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 63.

The spelling of 478449636327 in words is "four hundred seventy-eight billion, four hundred forty-nine million, six hundred thirty-six thousand, three hundred twenty-seven".