447348047 has 4 divisors (see below), whose sum is σ = 473662656. Its totient is φ = 421033440.

The previous prime is 447348023. The next prime is 447348059. The reversal of 447348047 is 740843744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447348047 - 2²⁴ = 430570831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447347995 and 447348013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447348547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13157279 + ... + 13157312.

It is an arithmetic number, because the mean of its divisors is an integer number (118415664).

Almost surely, 2^447348047 is an apocalyptic number.

447348047 is a deficient number, since it is larger than the sum of its proper divisors (26314609).

447348047 is a wasteful number, since it uses less digits than its factorization.

447348047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26314608.

The product of its (nonzero) digits is 301056, while the sum is 41.

The square root of 447348047 is about 21150.6039393678. The cubic root of 447348047 is about 764.8011199300.

The spelling of 447348047 in words is "four hundred forty-seven million, three hundred forty-eight thousand, forty-seven".