82047892260872 has 32 divisors (see below), whose sum is σ = 159191970499800. Its totient is φ = 39597541939200.

The previous prime is 82047892260871. The next prime is 82047892260889. The reversal of 82047892260872 is 27806229874028.

It can be written as a sum of positive squares in 4 ways, for example, as 62087245166116 + 19960647094756 = 7879546^2 + 4467734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82047892260799 and 82047892260808.

It is not an unprimeable number, because it can be changed into a prime (82047892260871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51831779 + ... + 53391282.

Almost surely, 2^{82047892260872} is an apocalyptic number.

It is an amenable number.

82047892260872 is a deficient number, since it is larger than the sum of its proper divisors (77144078238928).

82047892260872 is a wasteful number, since it uses less digits than its factorization.

82047892260872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105226457 (or 105226453 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 65.

The spelling of 82047892260872 in words is "eighty-two trillion, forty-seven billion, eight hundred ninety-two million, two hundred sixty thousand, eight hundred seventy-two".