82727237 has 2 divisors, whose sum is σ = 82727238. Its totient is φ = 82727236.

The previous prime is 82727213. The next prime is 82727269. The reversal of 82727237 is 73272728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62710561 + 20016676 = 7919^2 + 4474^2 .

It is a cyclic number.

It is not a de Polignac number, because 82727237 - 2¹⁴ = 82710853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82727237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82727207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41363618 + 41363619.

It is an arithmetic number, because the mean of its divisors is an integer number (41363619).

Almost surely, 2^82727237 is an apocalyptic number.

It is an amenable number.

82727237 is a deficient number, since it is larger than the sum of its proper divisors (1).

82727237 is an equidigital number, since it uses as much as digits as its factorization.

82727237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 38.

The square root of 82727237 is about 9095.4514456403. The cubic root of 82727237 is about 435.7287068134.

The spelling of 82727237 in words is "eighty-two million, seven hundred twenty-seven thousand, two hundred thirty-seven".