448978801 has 2 divisors, whose sum is σ = 448978802. Its totient is φ = 448978800.

The previous prime is 448978799. The next prime is 448978807. The reversal of 448978801 is 108879844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258566400 + 190412401 = 16080^2 + 13799^2 .

It is a cyclic number.

It is not a de Polignac number, because 448978801 - 2¹ = 448978799 is a prime.

Together with 448978799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (448978807) 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, 224489400 + 224489401.

It is an arithmetic number, because the mean of its divisors is an integer number (224489401).

Almost surely, 2^448978801 is an apocalyptic number.

It is an amenable number.

448978801 is a deficient number, since it is larger than the sum of its proper divisors (1).

448978801 is an equidigital number, since it uses as much as digits as its factorization.

448978801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 448978801 is about 21189.1198731802. The cubic root of 448978801 is about 765.7293234070.

The spelling of 448978801 in words is "four hundred forty-eight million, nine hundred seventy-eight thousand, eight hundred one".