447755231 has 16 divisors (see below), whose sum is σ = 591079680. Its totient is φ = 328375680.

The previous prime is 447755213. The next prime is 447755239. The reversal of 447755231 is 132557744.

It is a cyclic number.

It is not a de Polignac number, because 447755231 - 2¹⁸ = 447493087 is a prime.

It is a super-2 number, since 2×447755231² = 400969493775726722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447755239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169721 + ... + 172338.

It is an arithmetic number, because the mean of its divisors is an integer number (36942480).

Almost surely, 2^447755231 is an apocalyptic number.

447755231 is a deficient number, since it is larger than the sum of its proper divisors (143324449).

447755231 is a wasteful number, since it uses less digits than its factorization.

447755231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342094.

The product of its digits is 117600, while the sum is 38.

The square root of 447755231 is about 21160.2275743906. The cubic root of 447755231 is about 765.0330946709.

The spelling of 447755231 in words is "four hundred forty-seven million, seven hundred fifty-five thousand, two hundred thirty-one".