448740977 has 2 divisors, whose sum is σ = 448740978. Its totient is φ = 448740976.

The previous prime is 448740973. The next prime is 448740997. The reversal of 448740977 is 779047844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417425761 + 31315216 = 20431^2 + 5596^2 .

It is a cyclic number.

It is not a de Polignac number, because 448740977 - 2² = 448740973 is a prime.

It is a Chen prime.

It is equal to p_23789777 and since 448740977 and 23789777 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (448740973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224370488 + 224370489.

It is an arithmetic number, because the mean of its divisors is an integer number (224370489).

Almost surely, 2^448740977 is an apocalyptic number.

It is an amenable number.

448740977 is a deficient number, since it is larger than the sum of its proper divisors (1).

448740977 is an equidigital number, since it uses as much as digits as its factorization.

448740977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 448740977 is about 21183.5071930972. The cubic root of 448740977 is about 765.5940972939.

The spelling of 448740977 in words is "four hundred forty-eight million, seven hundred forty thousand, nine hundred seventy-seven".