82502672728066 has 16 divisors (see below), whose sum is σ = 124011444341880. Its totient is φ = 41165543312640.

The previous prime is 82502672728001. The next prime is 82502672728079. The reversal of 82502672728066 is 66082727620528.

It can be written as a sum of positive squares in 4 ways, for example, as 82476094273225 + 26578454841 = 9081635^2 + 163029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82502672727995 and 82502672728013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4163146 + ... + 13503226.

Almost surely, 2^{82502672728066} is an apocalyptic number.

82502672728066 is a deficient number, since it is larger than the sum of its proper divisors (41508771613814).

82502672728066 is a wasteful number, since it uses less digits than its factorization.

82502672728066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349269.

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 82502672728066 in words is "eighty-two trillion, five hundred two billion, six hundred seventy-two million, seven hundred twenty-eight thousand, sixty-six".