82827971 has 2 divisors, whose sum is σ = 82827972. Its totient is φ = 82827970.

The previous prime is 82827967. The next prime is 82828027. The reversal of 82827971 is 17972828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82827971 - 2² = 82827967 is a prime.

It is not a weakly prime, because it can be changed into another prime (82827911) 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 as a sum of consecutive naturals, namely, 41413985 + 41413986.

It is an arithmetic number, because the mean of its divisors is an integer number (41413986).

Almost surely, 2^82827971 is an apocalyptic number.

82827971 is a deficient number, since it is larger than the sum of its proper divisors (1).

82827971 is an equidigital number, since it uses as much as digits as its factorization.

82827971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 44.

The square root of 82827971 is about 9100.9873640172. The cubic root of 82827971 is about 435.9054921691.

The spelling of 82827971 in words is "eighty-two million, eight hundred twenty-seven thousand, nine hundred seventy-one".