82636613871017 has 4 divisors (see below), whose sum is σ = 82636992952836. Its totient is φ = 82636234789200.

The previous prime is 82636613871013. The next prime is 82636613871041. The reversal of 82636613871017 is 71017831663628.

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 80859588902416 + 1777024968601 = 8992196^2 + 1333051^2 .

It is a cyclic number.

It is not a de Polignac number, because 82636613871017 - 2² = 82636613871013 is a prime.

It is a super-2 number, since 2×82636613871017² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82636613871013) 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, 189213734 + ... + 189649967.

It is an arithmetic number, because the mean of its divisors is an integer number (20659248238209).

Almost surely, 2^{82636613871017} is an apocalyptic number.

It is an amenable number.

82636613871017 is a deficient number, since it is larger than the sum of its proper divisors (379081819).

82636613871017 is a wasteful number, since it uses less digits than its factorization.

82636613871017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379081818.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 82636613871017 in words is "eighty-two trillion, six hundred thirty-six billion, six hundred thirteen million, eight hundred seventy-one thousand, seventeen".