447913685 has 8 divisors (see below), whose sum is σ = 538482336. Its totient is φ = 357673680.

The previous prime is 447913679. The next prime is 447913703. The reversal of 447913685 is 586319744.

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

It is a de Polignac number, because none of the positive numbers 2^k-447913685 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 79151 + ... + 84620.

It is an arithmetic number, because the mean of its divisors is an integer number (67310292).

Almost surely, 2^447913685 is an apocalyptic number.

It is an amenable number.

447913685 is a deficient number, since it is larger than the sum of its proper divisors (90568651).

447913685 is a wasteful number, since it uses less digits than its factorization.

447913685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164323.

The product of its digits is 725760, while the sum is 47.

The square root of 447913685 is about 21163.9713900771. The cubic root of 447913685 is about 765.1233286863.

The spelling of 447913685 in words is "four hundred forty-seven million, nine hundred thirteen thousand, six hundred eighty-five".