447147315 has 24 divisors (see below), whose sum is σ = 781168128. Its totient is φ = 236597760.

The previous prime is 447147307. The next prime is 447147367. The reversal of 447147315 is 513741744.

It is not a de Polignac number, because 447147315 - 2³ = 447147307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447147315.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 33406 + ... + 44835.

It is an arithmetic number, because the mean of its divisors is an integer number (32548672).

Almost surely, 2^447147315 is an apocalyptic number.

447147315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

447147315 is a deficient number, since it is larger than the sum of its proper divisors (334020813).

447147315 is a wasteful number, since it uses less digits than its factorization.

447147315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78379 (or 78376 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 447147315 is about 21145.8581050758. The cubic root of 447147315 is about 764.6867101116.

The spelling of 447147315 in words is "four hundred forty-seven million, one hundred forty-seven thousand, three hundred fifteen".