477947 has 2 divisors, whose sum is σ = 477948. Its totient is φ = 477946.

The previous prime is 477941. The next prime is 477973. The reversal of 477947 is 749774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477947 - 2¹⁶ = 412411 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477947.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 477947.

It is not a weakly prime, because it can be changed into another prime (477941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238973 + 238974.

It is an arithmetic number, because the mean of its divisors is an integer number (238974).

2⁴⁷⁷⁹⁴⁷ is an apocalyptic number.

477947 is a deficient number, since it is larger than the sum of its proper divisors (1).

477947 is an equidigital number, since it uses as much as digits as its factorization.

477947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 477947 is about 691.3371102436. The cubic root of 477947 is about 78.1855651956.

The spelling of 477947 in words is "four hundred seventy-seven thousand, nine hundred forty-seven".