447827 has 2 divisors, whose sum is σ = 447828. Its totient is φ = 447826.

The previous prime is 447823. The next prime is 447829. The reversal of 447827 is 728744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447827 - 2² = 447823 is a prime.

Together with 447829, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 447793 and 447802.

It is not a weakly prime, because it can be changed into another prime (447823) by changing a digit.

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 as a sum of consecutive naturals, namely, 223913 + 223914.

It is an arithmetic number, because the mean of its divisors is an integer number (223914).

2⁴⁴⁷⁸²⁷ is an apocalyptic number.

447827 is a deficient number, since it is larger than the sum of its proper divisors (1).

447827 is an equidigital number, since it uses as much as digits as its factorization.

447827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 32.

The square root of 447827 is about 669.1987746552. The cubic root of 447827 is about 76.5073967245.

The spelling of 447827 in words is "four hundred forty-seven thousand, eight hundred twenty-seven".