447064687 has 2 divisors, whose sum is σ = 447064688. Its totient is φ = 447064686.

The previous prime is 447064649. The next prime is 447064721. The reversal of 447064687 is 786460744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447064687 - 2⁷ = 447064559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447064627) 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 as a sum of consecutive naturals, namely, 223532343 + 223532344.

It is an arithmetic number, because the mean of its divisors is an integer number (223532344).

Almost surely, 2^447064687 is an apocalyptic number.

447064687 is a deficient number, since it is larger than the sum of its proper divisors (1).

447064687 is an equidigital number, since it uses as much as digits as its factorization.

447064687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 46.

The square root of 447064687 is about 21143.9042515804. The cubic root of 447064687 is about 764.6396052585.

The spelling of 447064687 in words is "four hundred forty-seven million, sixty-four thousand, six hundred eighty-seven".