83117753408519 has 4 divisors (see below), whose sum is σ = 83172328428696. Its totient is φ = 83063178388344.

The previous prime is 83117753408509. The next prime is 83117753408527. The reversal of 83117753408519 is 91580435771138.

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-83117753408519 is a prime.

It is a super-2 number, since 2×83117753408519² (a number of 29 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 (83117753408509) 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, 27287507804 + ... + 27287510849.

It is an arithmetic number, because the mean of its divisors is an integer number (20793082107174).

Almost surely, 2^{83117753408519} is an apocalyptic number.

83117753408519 is a deficient number, since it is larger than the sum of its proper divisors (54575020177).

83117753408519 is a wasteful number, since it uses less digits than its factorization.

83117753408519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54575020176.

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 83117753408519 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred fifty-three million, four hundred eight thousand, five hundred nineteen".