447315559 has 2 divisors, whose sum is σ = 447315560. Its totient is φ = 447315558.

The previous prime is 447315551. The next prime is 447315563. The reversal of 447315559 is 955513744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447315559 - 2³ = 447315551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447315551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223657779 + 223657780.

It is an arithmetic number, because the mean of its divisors is an integer number (223657780).

Almost surely, 2^447315559 is an apocalyptic number.

447315559 is a deficient number, since it is larger than the sum of its proper divisors (1).

447315559 is an equidigital number, since it uses as much as digits as its factorization.

447315559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 43.

The square root of 447315559 is about 21149.8359095289. The cubic root of 447315559 is about 764.7826052928.

The spelling of 447315559 in words is "four hundred forty-seven million, three hundred fifteen thousand, five hundred fifty-nine".