82667712568860 has 72 divisors (see below), whose sum is σ = 260046088441776. Its totient is φ = 22044723350400.

The previous prime is 82667712568829. The next prime is 82667712568871. The reversal of 82667712568860 is 6886521776628.

82667712568860 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 23 ways as a sum of consecutive naturals, for example, 8504903841 + ... + 8504913560.

It is an arithmetic number, because the mean of its divisors is an integer number (3611751228358).

Almost surely, 2^{82667712568860} is an apocalyptic number.

It is an amenable number.

82667712568860 is an abundant number, since it is smaller than the sum of its proper divisors (177378375872916).

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

82667712568860 is a wasteful number, since it uses less digits than its factorization.

82667712568860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17009817425 (or 17009817411 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 82667712568860 in words is "eighty-two trillion, six hundred sixty-seven billion, seven hundred twelve million, five hundred sixty-eight thousand, eight hundred sixty".