82686402824806 has 32 divisors (see below), whose sum is σ = 144603059075712. Its totient is φ = 35043265311360.

The previous prime is 82686402824797. The next prime is 82686402824819. The reversal of 82686402824806 is 60842820468628.

It is a super-5 number, since 5×82686402824806⁵ (a number of 71 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033075116 + ... + 1033155151.

It is an arithmetic number, because the mean of its divisors is an integer number (4518845596116).

Almost surely, 2^{82686402824806} is an apocalyptic number.

82686402824806 is a deficient number, since it is larger than the sum of its proper divisors (61916656250906).

82686402824806 is a wasteful number, since it uses less digits than its factorization.

82686402824806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066230404.

The product of its (nonzero) digits is 113246208, while the sum is 64.

The spelling of 82686402824806 in words is "eighty-two trillion, six hundred eighty-six billion, four hundred two million, eight hundred twenty-four thousand, eight hundred six".