82509767776206 has 24 divisors (see below), whose sum is σ = 178790538662424. Its totient is φ = 27500275133520.

The previous prime is 82509767776199. The next prime is 82509767776243. The reversal of 82509767776206 is 60267776790528.

82509767776206 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248228625 + ... + 248560796.

It is an arithmetic number, because the mean of its divisors is an integer number (7449605777601).

Almost surely, 2^{82509767776206} is an apocalyptic number.

82509767776206 is an abundant number, since it is smaller than the sum of its proper divisors (96280770886218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82509767776206 is a wasteful number, since it uses less digits than its factorization.

82509767776206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496798656 (or 496798653 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 82509767776206 in words is "eighty-two trillion, five hundred nine billion, seven hundred sixty-seven million, seven hundred seventy-six thousand, two hundred six".