447485505 has 16 divisors (see below), whose sum is σ = 716971200. Its totient is φ = 238327488.

The previous prime is 447485443. The next prime is 447485551. The reversal of 447485505 is 505584744.

It is a happy number.

It is not a de Polignac number, because 447485505 - 2⁷ = 447485377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9355 + ... + 31344.

It is an arithmetic number, because the mean of its divisors is an integer number (44810700).

Almost surely, 2^447485505 is an apocalyptic number.

It is an amenable number.

447485505 is a deficient number, since it is larger than the sum of its proper divisors (269485695).

447485505 is a wasteful number, since it uses less digits than its factorization.

447485505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41440.

The product of its (nonzero) digits is 448000, while the sum is 42.

The square root of 447485505 is about 21153.8531951037. The cubic root of 447485505 is about 764.8794461663.

The spelling of 447485505 in words is "four hundred forty-seven million, four hundred eighty-five thousand, five hundred five".