478666064 has 40 divisors (see below), whose sum is σ = 970771200. Its totient is φ = 228210048.

The previous prime is 478666057. The next prime is 478666117. The reversal of 478666064 is 460666874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126569 + ... + 130295.

It is an arithmetic number, because the mean of its divisors is an integer number (24269280).

Almost surely, 2^478666064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478666064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485385600).

478666064 is an abundant number, since it is smaller than the sum of its proper divisors (492105136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478666064 is a wasteful number, since it uses less digits than its factorization.

478666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 478666064 is about 21878.4383354937. The cubic root of 478666064 is about 782.2475521359.

The spelling of 478666064 in words is "four hundred seventy-eight million, six hundred sixty-six thousand, sixty-four".