448408403767 has 4 divisors (see below), whose sum is σ = 448635678120. Its totient is φ = 448181129416.

The previous prime is 448408403749. The next prime is 448408403843. The reversal of 448408403767 is 767304804844.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448408403767 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 (448408403747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113634217 + ... + 113638162.

It is an arithmetic number, because the mean of its divisors is an integer number (112158919530).

Almost surely, 2^448408403767 is an apocalyptic number.

448408403767 is a deficient number, since it is larger than the sum of its proper divisors (227274353).

448408403767 is a wasteful number, since it uses less digits than its factorization.

448408403767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227274352.

The product of its (nonzero) digits is 14450688, while the sum is 55.

The spelling of 448408403767 in words is "four hundred forty-eight billion, four hundred eight million, four hundred three thousand, seven hundred sixty-seven".