82667712571171 has 32 divisors (see below), whose sum is σ = 101857135310336. Its totient is φ = 65335273920000.

The previous prime is 82667712571141. The next prime is 82667712571181. The reversal of 82667712571171 is 17117521776628.

It is not a de Polignac number, because 82667712571171 - 2³³ = 82659122636579 is a prime.

It is a super-2 number, since 2×82667712571171² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82667712571121) 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, 665694916 + ... + 665819086.

It is an arithmetic number, because the mean of its divisors is an integer number (3183035478448).

Almost surely, 2^{82667712571171} is an apocalyptic number.

82667712571171 is a deficient number, since it is larger than the sum of its proper divisors (19189422739165).

82667712571171 is a wasteful number, since it uses less digits than its factorization.

82667712571171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132203.

The product of its digits is 13829760, while the sum is 61.

The spelling of 82667712571171 in words is "eighty-two trillion, six hundred sixty-seven billion, seven hundred twelve million, five hundred seventy-one thousand, one hundred seventy-one".