82636562137857 has 48 divisors (see below), whose sum is σ = 138684474315072. Its totient is φ = 43381935434880.

The previous prime is 82636562137777. The next prime is 82636562137879. The reversal of 82636562137857 is 75873126563628.

It is not a de Polignac number, because 82636562137857 - 2¹² = 82636562133761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82636562137791 and 82636562137800.

It is not an unprimeable number, because it can be changed into a prime (82636562137897) 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 47 ways as a sum of consecutive naturals, for example, 102067338 + ... + 102873779.

It is an arithmetic number, because the mean of its divisors is an integer number (2889259881564).

Almost surely, 2^{82636562137857} is an apocalyptic number.

It is an amenable number.

82636562137857 is a deficient number, since it is larger than the sum of its proper divisors (56047912177215).

82636562137857 is a wasteful number, since it uses less digits than its factorization.

82636562137857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204941358 (or 204941351 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 69.

The spelling of 82636562137857 in words is "eighty-two trillion, six hundred thirty-six billion, five hundred sixty-two million, one hundred thirty-seven thousand, eight hundred fifty-seven".