447899667 has 8 divisors (see below), whose sum is σ = 597347280. Its totient is φ = 298525920.

The previous prime is 447899651. The next prime is 447899681. The reversal of 447899667 is 766998744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447899667 - 2⁴ = 447899651 is a prime.

It is a super-2 number, since 2×447899667² = 401228223397421778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 447899667.

It is not an unprimeable number, because it can be changed into a prime (447899167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (74668410).

Almost surely, 2^447899667 is an apocalyptic number.

447899667 is a deficient number, since it is larger than the sum of its proper divisors (149447613).

447899667 is a wasteful number, since it uses less digits than its factorization.

447899667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933.

The product of its digits is 18289152, while the sum is 60.

The square root of 447899667 is about 21163.6402114570. The cubic root of 447899667 is about 765.1153467833.

The spelling of 447899667 in words is "four hundred forty-seven million, eight hundred ninety-nine thousand, six hundred sixty-seven".