82560771012 has 24 divisors (see below), whose sum is σ = 193187536416. Its totient is φ = 27442294528.

The previous prime is 82560771011. The next prime is 82560771017. The reversal of 82560771012 is 21017706528.

It is not an unprimeable number, because it can be changed into a prime (82560771011) 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, 9740898 + ... + 9749369.

It is an arithmetic number, because the mean of its divisors is an integer number (8049480684).

Almost surely, 2^82560771012 is an apocalyptic number.

It is an amenable number.

82560771012 is an abundant number, since it is smaller than the sum of its proper divisors (110626765404).

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

82560771012 is a wasteful number, since it uses less digits than its factorization.

82560771012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490627 (or 19490625 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 82560771012 in words is "eighty-two billion, five hundred sixty million, seven hundred seventy-one thousand, twelve".