447365665047 has 64 divisors (see below), whose sum is σ = 736268544000. Its totient is φ = 235962574848.

The previous prime is 447365665037. The next prime is 447365665073. The reversal of 447365665047 is 740566563744.

It is a happy number.

It is not a de Polignac number, because 447365665047 - 2⁶ = 447365664983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447365665037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29252979 + ... + 29268267.

It is an arithmetic number, because the mean of its divisors is an integer number (11504196000).

Almost surely, 2^447365665047 is an apocalyptic number.

447365665047 is a deficient number, since it is larger than the sum of its proper divisors (288902878953).

447365665047 is a wasteful number, since it uses less digits than its factorization.

447365665047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440.

The product of its (nonzero) digits is 50803200, while the sum is 57.

The spelling of 447365665047 in words is "four hundred forty-seven billion, three hundred sixty-five million, six hundred sixty-five thousand, forty-seven".