477583966 has 4 divisors (see below), whose sum is σ = 716375952. Its totient is φ = 238791982.

The previous prime is 477583963. The next prime is 477583987. The reversal of 477583966 is 669385774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669385774 = 2 ⋅334692887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477583961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119395990 + ... + 119395993.

It is an arithmetic number, because the mean of its divisors is an integer number (179093988).

Almost surely, 2^477583966 is an apocalyptic number.

477583966 is a deficient number, since it is larger than the sum of its proper divisors (238791986).

477583966 is a wasteful number, since it uses less digits than its factorization.

477583966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238791985.

The product of its digits is 7620480, while the sum is 55.

The square root of 477583966 is about 21853.6945617898. The cubic root of 477583966 is about 781.6576438923.

The spelling of 477583966 in words is "four hundred seventy-seven million, five hundred eighty-three thousand, nine hundred sixty-six".