82175637712 has 40 divisors (see below), whose sum is σ = 181975630592. Its totient is φ = 35215171200.

The previous prime is 82175637683. The next prime is 82175637767. The reversal of 82175637712 is 21773657128.

It is a happy number.

It is a super-3 number, since 3×82175637712³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781662 + ... + 1827202.

Almost surely, 2^82175637712 is an apocalyptic number.

It is an amenable number.

82175637712 is an abundant number, since it is smaller than the sum of its proper divisors (99799992880).

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

82175637712 is a wasteful number, since it uses less digits than its factorization.

82175637712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61667 (or 61661 counting only the distinct ones).

The product of its digits is 987840, while the sum is 49.

The spelling of 82175637712 in words is "eighty-two billion, one hundred seventy-five million, six hundred thirty-seven thousand, seven hundred twelve".