82065830620 has 12 divisors (see below), whose sum is σ = 172338244344. Its totient is φ = 32826332240.

The previous prime is 82065830573. The next prime is 82065830621. The reversal of 82065830620 is 2603856028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82065830621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051645746 + ... + 2051645785.

It is an arithmetic number, because the mean of its divisors is an integer number (14361520362).

Almost surely, 2^82065830620 is an apocalyptic number.

It is an amenable number.

82065830620 is an abundant number, since it is smaller than the sum of its proper divisors (90272413724).

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

82065830620 is a wasteful number, since it uses less digits than its factorization.

82065830620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103291540 (or 4103291538 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 82065830620 in words is "eighty-two billion, sixty-five million, eight hundred thirty thousand, six hundred twenty".