447999975 has 36 divisors (see below), whose sum is σ = 830099400. Its totient is φ = 230690880.

The previous prime is 447999949. The next prime is 447999983. The reversal of 447999975 is 579999744.

447999975 is a `hidden beast` number, since 4 + 479 + 9 + 99 + 75 = 666.

It is not a de Polignac number, because 447999975 - 2⁹ = 447999463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27805 + ... + 40854.

Almost surely, 2^447999975 is an apocalyptic number.

447999975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

447999975 is a deficient number, since it is larger than the sum of its proper divisors (382099425).

447999975 is a wasteful number, since it uses less digits than its factorization.

447999975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68704 (or 68696 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 447999975 is about 21166.0098979472. The cubic root of 447999975 is about 765.1724588758.

The spelling of 447999975 in words is "four hundred forty-seven million, nine hundred ninety-nine thousand, nine hundred seventy-five".