476709666 has 32 divisors (see below), whose sum is σ = 974255040. Its totient is φ = 155448384.

The previous prime is 476709643. The next prime is 476709679. The reversal of 476709666 is 666907674.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116605 + ... + 120623.

It is an arithmetic number, because the mean of its divisors is an integer number (30445470).

Almost surely, 2^476709666 is an apocalyptic number.

476709666 is an abundant number, since it is smaller than the sum of its proper divisors (497545374).

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

476709666 is a wasteful number, since it uses less digits than its factorization.

476709666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 476709666 is about 21833.6819157924. The cubic root of 476709666 is about 781.1803660517.

The spelling of 476709666 in words is "four hundred seventy-six million, seven hundred nine thousand, six hundred sixty-six".