447828373 has 2 divisors, whose sum is σ = 447828374. Its totient is φ = 447828372.

The previous prime is 447828371. The next prime is 447828391. The reversal of 447828373 is 373828744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419717169 + 28111204 = 20487^2 + 5302^2 .

It is a cyclic number.

It is not a de Polignac number, because 447828373 - 2¹ = 447828371 is a prime.

Together with 447828371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447828371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223914186 + 223914187.

It is an arithmetic number, because the mean of its divisors is an integer number (223914187).

Almost surely, 2^447828373 is an apocalyptic number.

It is an amenable number.

447828373 is a deficient number, since it is larger than the sum of its proper divisors (1).

447828373 is an equidigital number, since it uses as much as digits as its factorization.

447828373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 46.

The square root of 447828373 is about 21161.9557933571. The cubic root of 447828373 is about 765.0747491286.

The spelling of 447828373 in words is "four hundred forty-seven million, eight hundred twenty-eight thousand, three hundred seventy-three".