82747561206 has 32 divisors (see below), whose sum is σ = 165757996800. Its totient is φ = 27538743456.

The previous prime is 82747561187. The next prime is 82747561207. The reversal of 82747561206 is 60216574728.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82747561207) 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 15 ways as a sum of consecutive naturals, for example, 16225645 + ... + 16230743.

It is an arithmetic number, because the mean of its divisors is an integer number (5179937400).

Almost surely, 2^82747561206 is an apocalyptic number.

82747561206 is an abundant number, since it is smaller than the sum of its proper divisors (83010435594).

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

82747561206 is a wasteful number, since it uses less digits than its factorization.

82747561206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 82747561206 in words is "eighty-two billion, seven hundred forty-seven million, five hundred sixty-one thousand, two hundred six".