83348140336805 has 4 divisors (see below), whose sum is σ = 100017768404172. Its totient is φ = 66678512269440.

The previous prime is 83348140336777. The next prime is 83348140336837. The reversal of 83348140336805 is 50863304184338.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10419990456001 + 72928149880804 = 3228001^2 + 8539798^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83348140336805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8334814033676 + ... + 8334814033685.

It is an arithmetic number, because the mean of its divisors is an integer number (25004442101043).

Almost surely, 2^{83348140336805} is an apocalyptic number.

It is an amenable number.

83348140336805 is a deficient number, since it is larger than the sum of its proper divisors (16669628067367).

83348140336805 is a wasteful number, since it uses less digits than its factorization.

83348140336805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669628067366.

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 83348140336805 in words is "eighty-three trillion, three hundred forty-eight billion, one hundred forty million, three hundred thirty-six thousand, eight hundred five".