447966671 has 4 divisors (see below), whose sum is σ = 448111200. Its totient is φ = 447822144.

The previous prime is 447966599. The next prime is 447966707. The reversal of 447966671 is 176669744.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447966671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447960671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67511 + ... + 73848.

It is an arithmetic number, because the mean of its divisors is an integer number (112027800).

Almost surely, 2^447966671 is an apocalyptic number.

447966671 is a deficient number, since it is larger than the sum of its proper divisors (144529).

447966671 is a wasteful number, since it uses less digits than its factorization.

447966671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144528.

The product of its digits is 1524096, while the sum is 50.

The square root of 447966671 is about 21165.2231502529. The cubic root of 447966671 is about 765.1534976136.

The spelling of 447966671 in words is "four hundred forty-seven million, nine hundred sixty-six thousand, six hundred seventy-one".