448277239 has 2 divisors, whose sum is σ = 448277240. Its totient is φ = 448277238.

The previous prime is 448277213. The next prime is 448277251. The reversal of 448277239 is 932772844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448277239 - 2¹³ = 448269047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448278239) by changing a digit.

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 as a sum of consecutive naturals, namely, 224138619 + 224138620.

It is an arithmetic number, because the mean of its divisors is an integer number (224138620).

Almost surely, 2^448277239 is an apocalyptic number.

448277239 is a deficient number, since it is larger than the sum of its proper divisors (1).

448277239 is an equidigital number, since it uses as much as digits as its factorization.

448277239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 448277239 is about 21172.5586313983. The cubic root of 448277239 is about 765.3302795875.

The spelling of 448277239 in words is "four hundred forty-eight million, two hundred seventy-seven thousand, two hundred thirty-nine".