478352566 has 4 divisors (see below), whose sum is σ = 717528852. Its totient is φ = 239176282.

The previous prime is 478352561. The next prime is 478352573. The reversal of 478352566 is 665253874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478352561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119588140 + ... + 119588143.

It is an arithmetic number, because the mean of its divisors is an integer number (179382213).

Almost surely, 2^478352566 is an apocalyptic number.

478352566 is a deficient number, since it is larger than the sum of its proper divisors (239176286).

478352566 is a wasteful number, since it uses less digits than its factorization.

478352566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239176285.

The product of its digits is 1209600, while the sum is 46.

The square root of 478352566 is about 21871.2726195802. The cubic root of 478352566 is about 782.0767395251.

The spelling of 478352566 in words is "four hundred seventy-eight million, three hundred fifty-two thousand, five hundred sixty-six".