447997459 has 16 divisors (see below), whose sum is σ = 554911168. Its totient is φ = 352190592.

The previous prime is 447997421. The next prime is 447997469. The reversal of 447997459 is 954799744.

It is not a de Polignac number, because 447997459 - 2⁷ = 447997331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447997469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392 + ... + 29965.

It is an arithmetic number, because the mean of its divisors is an integer number (34681948).

Almost surely, 2^447997459 is an apocalyptic number.

447997459 is a deficient number, since it is larger than the sum of its proper divisors (106913709).

447997459 is a wasteful number, since it uses less digits than its factorization.

447997459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31534.

The product of its digits is 11430720, while the sum is 58.

The square root of 447997459 is about 21165.9504629487. The cubic root of 447997459 is about 765.1710264520.

The spelling of 447997459 in words is "four hundred forty-seven million, nine hundred ninety-seven thousand, four hundred fifty-nine".