478526566 has 16 divisors (see below), whose sum is σ = 821306880. Its totient is φ = 204838920.

The previous prime is 478526563. The next prime is 478526579. The reversal of 478526566 is 665625874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478526563) 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, 7870 + ... + 31921.

It is an arithmetic number, because the mean of its divisors is an integer number (51331680).

Almost surely, 2^478526566 is an apocalyptic number.

478526566 is a deficient number, since it is larger than the sum of its proper divisors (342780314).

478526566 is a wasteful number, since it uses less digits than its factorization.

478526566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40659.

The product of its digits is 2419200, while the sum is 49.

The square root of 478526566 is about 21875.2500785705. The cubic root of 478526566 is about 782.1715544280.

The spelling of 478526566 in words is "four hundred seventy-eight million, five hundred twenty-six thousand, five hundred sixty-six".