82640183052617 has 4 divisors (see below), whose sum is σ = 85489844537220. Its totient is φ = 79790521568016.

The previous prime is 82640183052607. The next prime is 82640183052641. The reversal of 82640183052617 is 71625038104628.

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 20035122075721 + 62605060976896 = 4476061^2 + 7912336^2 .

It is a cyclic number.

It is not a de Polignac number, because 82640183052617 - 2⁴ = 82640183052601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82640183052607) by changing a digit.

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, 1424830742258 + ... + 1424830742315.

It is an arithmetic number, because the mean of its divisors is an integer number (21372461134305).

Almost surely, 2^{82640183052617} is an apocalyptic number.

It is an amenable number.

82640183052617 is a deficient number, since it is larger than the sum of its proper divisors (2849661484603).

82640183052617 is a wasteful number, since it uses less digits than its factorization.

82640183052617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849661484602.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 82640183052617 in words is "eighty-two trillion, six hundred forty billion, one hundred eighty-three million, fifty-two thousand, six hundred seventeen".