448880779 has 2 divisors, whose sum is σ = 448880780. Its totient is φ = 448880778.

The previous prime is 448880777. The next prime is 448880807. The reversal of 448880779 is 977088844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448880779 - 2¹ = 448880777 is a prime.

Together with 448880777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (448880777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224440389 + 224440390.

It is an arithmetic number, because the mean of its divisors is an integer number (224440390).

Almost surely, 2^448880779 is an apocalyptic number.

448880779 is a deficient number, since it is larger than the sum of its proper divisors (1).

448880779 is an equidigital number, since it uses as much as digits as its factorization.

448880779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 448880779 is about 21186.8067202210. The cubic root of 448880779 is about 765.6735941368.

The spelling of 448880779 in words is "four hundred forty-eight million, eight hundred eighty thousand, seven hundred seventy-nine".