448920757 has 2 divisors, whose sum is σ = 448920758. Its totient is φ = 448920756.

The previous prime is 448920737. The next prime is 448920761. The reversal of 448920757 is 757029844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240436036 + 208484721 = 15506^2 + 14439^2 .

It is a cyclic number.

It is not a de Polignac number, because 448920757 - 2⁷ = 448920629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448920707) 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, 224460378 + 224460379.

It is an arithmetic number, because the mean of its divisors is an integer number (224460379).

Almost surely, 2^448920757 is an apocalyptic number.

It is an amenable number.

448920757 is a deficient number, since it is larger than the sum of its proper divisors (1).

448920757 is an equidigital number, since it uses as much as digits as its factorization.

448920757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 448920757 is about 21187.7501637149. The cubic root of 448920757 is about 765.6963241442.

The spelling of 448920757 in words is "four hundred forty-eight million, nine hundred twenty thousand, seven hundred fifty-seven".