448593497887 has 8 divisors (see below), whose sum is σ = 453708702720. Its totient is φ = 443507111640.

The previous prime is 448593497839. The next prime is 448593497893. The reversal of 448593497887 is 788794395844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448593497887 is a prime.

It is a super-2 number, since 2×448593497887² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448593497987) 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 in 7 ways as a sum of consecutive naturals, for example, 7173337 + ... + 7235602.

It is an arithmetic number, because the mean of its divisors is an integer number (56713587840).

Almost surely, 2^448593497887 is an apocalyptic number.

448593497887 is a deficient number, since it is larger than the sum of its proper divisors (5115204833).

448593497887 is a wasteful number, since it uses less digits than its factorization.

448593497887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14409293.

The product of its digits is 1950842880, while the sum is 76.

The spelling of 448593497887 in words is "four hundred forty-eight billion, five hundred ninety-three million, four hundred ninety-seven thousand, eight hundred eighty-seven".