477223666 has 8 divisors (see below), whose sum is σ = 719835120. Its totient is φ = 237278628.

The previous prime is 477223631. The next prime is 477223667. The reversal of 477223666 is 666322774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (477223667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666156 + ... + 666871.

It is an arithmetic number, because the mean of its divisors is an integer number (89979390).

Almost surely, 2^477223666 is an apocalyptic number.

477223666 is a deficient number, since it is larger than the sum of its proper divisors (242611454).

477223666 is a wasteful number, since it uses less digits than its factorization.

477223666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333208.

The product of its digits is 508032, while the sum is 43.

The square root of 477223666 is about 21845.4495490480. The cubic root of 477223666 is about 781.4610277844.

The spelling of 477223666 in words is "four hundred seventy-seven million, two hundred twenty-three thousand, six hundred sixty-six".