447855924231 has 16 divisors (see below), whose sum is σ = 663999512320. Its totient is φ = 298341451800.

The previous prime is 447855924209. The next prime is 447855924259. The reversal of 447855924231 is 132429558744.

It is a happy number.

447855924231 is a `hidden beast` number, since 4 + 4 + 7 + 8 + 5 + 592 + 42 + 3 + 1 = 666.

It is not a de Polignac number, because 447855924231 - 2¹⁷ = 447855793159 is a prime.

It is a super-2 number, since 2×447855924231² (a number of 24 digits) 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 (447855924731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329845 + ... + 6400206.

It is an arithmetic number, because the mean of its divisors is an integer number (41499969520).

Almost surely, 2^447855924231 is an apocalyptic number.

447855924231 is a deficient number, since it is larger than the sum of its proper divisors (216143588089).

447855924231 is a wasteful number, since it uses less digits than its factorization.

447855924231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12731363 (or 12731357 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 447855924231 in words is "four hundred forty-seven billion, eight hundred fifty-five million, nine hundred twenty-four thousand, two hundred thirty-one".