447471791863842 has 8 divisors (see below), whose sum is σ = 894943583727696. Its totient is φ = 149157263954612.

The previous prime is 447471791863841. The next prime is 447471791863847. The reversal of 447471791863842 is 248368197174744.

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

447471791863842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (447471791863841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37289315988648 + ... + 37289315988659.

It is an arithmetic number, because the mean of its divisors is an integer number (111867947965962).

Almost surely, 2^{447471791863842} is an apocalyptic number.

447471791863842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447471791863842 is a wasteful number, since it uses less digits than its factorization.

447471791863842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74578631977312.

The product of its digits is 1820786688, while the sum is 75.

The spelling of 447471791863842 in words is "four hundred forty-seven trillion, four hundred seventy-one billion, seven hundred ninety-one million, eight hundred sixty-three thousand, eight hundred forty-two".