448360116568477 has 4 divisors (see below), whose sum is σ = 448360443283516. Its totient is φ = 448359789853440.

The previous prime is 448360116568451. The next prime is 448360116568519. The reversal of 448360116568477 is 774865611063844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344362768596196 + 103997347972281 = 18557014^2 + 10197909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448360116568477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448360116568447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161290308 + ... + 164046589.

It is an arithmetic number, because the mean of its divisors is an integer number (112090110820879).

Almost surely, 2^{448360116568477} is an apocalyptic number.

It is an amenable number.

448360116568477 is a deficient number, since it is larger than the sum of its proper divisors (326715039).

448360116568477 is a wasteful number, since it uses less digits than its factorization.

448360116568477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326715038.

The product of its (nonzero) digits is 650280960, while the sum is 70.

The spelling of 448360116568477 in words is "four hundred forty-eight trillion, three hundred sixty billion, one hundred sixteen million, five hundred sixty-eight thousand, four hundred seventy-seven".