478666063 has 4 divisors (see below), whose sum is σ = 484433208. Its totient is φ = 472898920.

The previous prime is 478666057. The next prime is 478666117. The reversal of 478666063 is 360666874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360666874 = 2 ⋅180333437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478666063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478666033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883448 + ... + 2883613.

It is an arithmetic number, because the mean of its divisors is an integer number (121108302).

Almost surely, 2^478666063 is an apocalyptic number.

478666063 is a deficient number, since it is larger than the sum of its proper divisors (5767145).

478666063 is an equidigital number, since it uses as much as digits as its factorization.

478666063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767144.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 478666063 is about 21878.4383126401. The cubic root of 478666063 is about 782.2475515912.

The spelling of 478666063 in words is "four hundred seventy-eight million, six hundred sixty-six thousand, sixty-three".