447148447 has 2 divisors, whose sum is σ = 447148448. Its totient is φ = 447148446.

The previous prime is 447148417. The next prime is 447148469. The reversal of 447148447 is 744841744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447148447 - 2⁷ = 447148319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447148417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223574223 + 223574224.

It is an arithmetic number, because the mean of its divisors is an integer number (223574224).

Almost surely, 2^447148447 is an apocalyptic number.

447148447 is a deficient number, since it is larger than the sum of its proper divisors (1).

447148447 is an equidigital number, since it uses as much as digits as its factorization.

447148447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 401408, while the sum is 43.

The square root of 447148447 is about 21145.8848715300. The cubic root of 447148447 is about 764.6873554058.

The spelling of 447148447 in words is "four hundred forty-seven million, one hundred forty-eight thousand, four hundred forty-seven".