82108215132 has 24 divisors (see below), whose sum is σ = 193894100736. Its totient is φ = 27039652848.

The previous prime is 82108215121. The next prime is 82108215139. The reversal of 82108215132 is 23151280128.

It is a junction number, because it is equal to n+sod(n) for n = 82108215093 and 82108215102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82108215139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41217988 + ... + 41219979.

It is an arithmetic number, because the mean of its divisors is an integer number (8078920864).

Almost surely, 2^82108215132 is an apocalyptic number.

It is an amenable number.

82108215132 is an abundant number, since it is smaller than the sum of its proper divisors (111785885604).

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

82108215132 is a wasteful number, since it uses less digits than its factorization.

82108215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82438057 (or 82438055 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 82108215132 in words is "eighty-two billion, one hundred eight million, two hundred fifteen thousand, one hundred thirty-two".