447913667 has 4 divisors (see below), whose sum is σ = 455256576. Its totient is φ = 440570760.

The previous prime is 447913651. The next prime is 447913679. The reversal of 447913667 is 766319744.

It is a happy number.

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 447913667 - 2⁴ = 447913651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447912667) 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, 3671363 + ... + 3671484.

It is an arithmetic number, because the mean of its divisors is an integer number (113814144).

Almost surely, 2^447913667 is an apocalyptic number.

447913667 is a deficient number, since it is larger than the sum of its proper divisors (7342909).

447913667 is an equidigital number, since it uses as much as digits as its factorization.

447913667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342908.

The product of its digits is 762048, while the sum is 47.

The square root of 447913667 is about 21163.9709648260. The cubic root of 447913667 is about 765.1233184371.

The spelling of 447913667 in words is "four hundred forty-seven million, nine hundred thirteen thousand, six hundred sixty-seven".