447727983 has 16 divisors (see below), whose sum is σ = 608220000. Its totient is φ = 292884480.

The previous prime is 447727981. The next prime is 447727991. The reversal of 447727983 is 389727744.

It is not a de Polignac number, because 447727983 - 2¹ = 447727981 is a prime.

It is a super-2 number, since 2×447727983² = 400920693522496578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447727981) 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 15 ways as a sum of consecutive naturals, for example, 79443 + ... + 84891.

It is an arithmetic number, because the mean of its divisors is an integer number (38013750).

Almost surely, 2^447727983 is an apocalyptic number.

447727983 is a deficient number, since it is larger than the sum of its proper divisors (160492017).

447727983 is a wasteful number, since it uses less digits than its factorization.

447727983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962.

The product of its digits is 2370816, while the sum is 51.

The square root of 447727983 is about 21159.5837151868. The cubic root of 447727983 is about 765.0175757421.

The spelling of 447727983 in words is "four hundred forty-seven million, seven hundred twenty-seven thousand, nine hundred eighty-three".