448997117 has 4 divisors (see below), whose sum is σ = 449052960. Its totient is φ = 448941276.

The previous prime is 448997093. The next prime is 448997119. The reversal of 448997117 is 711799844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448997117 is a prime.

It is a super-2 number, since 2×448997117² = 403196822148623378, which 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 (448997119) 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 in 3 ways as a sum of consecutive naturals, for example, 13313 + ... + 32790.

It is an arithmetic number, because the mean of its divisors is an integer number (112263240).

Almost surely, 2^448997117 is an apocalyptic number.

It is an amenable number.

448997117 is a deficient number, since it is larger than the sum of its proper divisors (55843).

448997117 is an equidigital number, since it uses as much as digits as its factorization.

448997117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55842.

The product of its digits is 508032, while the sum is 50.

The square root of 448997117 is about 21189.5520717169. The cubic root of 448997117 is about 765.7397358567.

The spelling of 448997117 in words is "four hundred forty-eight million, nine hundred ninety-seven thousand, one hundred seventeen".