83468818417447 has 4 divisors (see below), whose sum is σ = 86347053535320. Its totient is φ = 80590583299576.

The previous prime is 83468818417441. The next prime is 83468818417469. The reversal of 83468818417447 is 74471481886438.

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

It is a cyclic number.

It is not a de Polignac number, because 83468818417447 - 2⁷ = 83468818417319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83468818417447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83468818417441) 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, 1439117558893 + ... + 1439117558950.

It is an arithmetic number, because the mean of its divisors is an integer number (21586763383830).

Almost surely, 2^{83468818417447} is an apocalyptic number.

83468818417447 is a deficient number, since it is larger than the sum of its proper divisors (2878235117873).

83468818417447 is a wasteful number, since it uses less digits than its factorization.

83468818417447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878235117872.

The product of its digits is 924844032, while the sum is 73.

The spelling of 83468818417447 in words is "eighty-three trillion, four hundred sixty-eight billion, eight hundred eighteen million, four hundred seventeen thousand, four hundred forty-seven".