477668 has 6 divisors (see below), whose sum is σ = 835926. Its totient is φ = 238832.

The previous prime is 477637. The next prime is 477671. The reversal of 477668 is 866774.

It can be written as a sum of positive squares in only one way, i.e., 465124 + 12544 = 682^2 + 112^2 .

It is an unprimeable number.

477668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59705 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (139321).

2⁴⁷⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

477668 is a deficient number, since it is larger than the sum of its proper divisors (358258).

477668 is a wasteful number, since it uses less digits than its factorization.

477668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119421 (or 119419 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 477668 is about 691.1352978976. The cubic root of 477668 is about 78.1703487116.

It can be divided in two parts, 47766 and 8, that added together give a palindrome (47774).

The spelling of 477668 in words is "four hundred seventy-seven thousand, six hundred sixty-eight".