447228563437 has 8 divisors (see below), whose sum is σ = 455059954080. Its totient is φ = 439405547760.

The previous prime is 447228563399. The next prime is 447228563449. The reversal of 447228563437 is 734365822744.

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

It is a cyclic number.

It is not a de Polignac number, because 447228563437 - 2²³ = 447220174829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447228566437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985958 + ... + 2199655.

It is an arithmetic number, because the mean of its divisors is an integer number (56882494260).

Almost surely, 2^447228563437 is an apocalyptic number.

It is an amenable number.

447228563437 is a deficient number, since it is larger than the sum of its proper divisors (7831390643).

447228563437 is a wasteful number, since it uses less digits than its factorization.

447228563437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187483.

The product of its digits is 27095040, while the sum is 55.

The spelling of 447228563437 in words is "four hundred forty-seven billion, two hundred twenty-eight million, five hundred sixty-three thousand, four hundred thirty-seven".