82352184205777 has 4 divisors (see below), whose sum is σ = 82364797504420. Its totient is φ = 82339570907136.

The previous prime is 82352184205729. The next prime is 82352184205787. The reversal of 82352184205777 is 77750248125328.

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 2572203308481 + 79779980897296 = 1603809^2 + 8931964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82352184205777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82352184205787) 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, 6306639528 + ... + 6306652585.

It is an arithmetic number, because the mean of its divisors is an integer number (20591199376105).

Almost surely, 2^{82352184205777} is an apocalyptic number.

It is an amenable number.

82352184205777 is a deficient number, since it is larger than the sum of its proper divisors (12613298643).

82352184205777 is a wasteful number, since it uses less digits than its factorization.

82352184205777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613298642.

The product of its (nonzero) digits is 52684800, while the sum is 61.

The spelling of 82352184205777 in words is "eighty-two trillion, three hundred fifty-two billion, one hundred eighty-four million, two hundred five thousand, seven hundred seventy-seven".