82636842856767 has 32 divisors (see below), whose sum is σ = 111262650444288. Its totient is φ = 54553295318016.

The previous prime is 82636842856739. The next prime is 82636842856781. The reversal of 82636842856767 is 76765824863628.

It is not a de Polignac number, because 82636842856767 - 2¹⁸ = 82636842594623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82636842856692 and 82636842856701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82636842856717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275791143 + ... + 276090615.

It is an arithmetic number, because the mean of its divisors is an integer number (3476957826384).

Almost surely, 2^{82636842856767} is an apocalyptic number.

82636842856767 is a deficient number, since it is larger than the sum of its proper divisors (28625807587521).

82636842856767 is a wasteful number, since it uses less digits than its factorization.

82636842856767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301279.

The product of its digits is 7803371520, while the sum is 78.

The spelling of 82636842856767 in words is "eighty-two trillion, six hundred thirty-six billion, eight hundred forty-two million, eight hundred fifty-six thousand, seven hundred sixty-seven".