82781960112 has 60 divisors (see below), whose sum is σ = 231904528440. Its totient is φ = 27566590464.

The previous prime is 82781960057. The next prime is 82781960119. The reversal of 82781960112 is 21106918728.

82781960112 is a `hidden beast` number, since 8 + 27 + 8 + 1 + 9 + 601 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (82781960119) 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 11 ways as a sum of consecutive naturals, for example, 139578 + ... + 430169.

It is an arithmetic number, because the mean of its divisors is an integer number (3865075474).

Almost surely, 2^82781960112 is an apocalyptic number.

It is an amenable number.

82781960112 is an abundant number, since it is smaller than the sum of its proper divisors (149122568328).

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

82781960112 is a wasteful number, since it uses less digits than its factorization.

82781960112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570770 (or 570761 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 82781960112 in words is "eighty-two billion, seven hundred eighty-one million, nine hundred sixty thousand, one hundred twelve".