82527578249971 has 2 divisors, whose sum is σ = 82527578249972. Its totient is φ = 82527578249970.

The previous prime is 82527578249933. The next prime is 82527578250023. The reversal of 82527578249971 is 17994287572528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82527578249971 - 2¹⁹ = 82527577725683 is a prime.

It is not a weakly prime, because it can be changed into another prime (82527578249671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41263789124985 + 41263789124986.

It is an arithmetic number, because the mean of its divisors is an integer number (41263789124986).

Almost surely, 2^{82527578249971} is an apocalyptic number.

82527578249971 is a deficient number, since it is larger than the sum of its proper divisors (1).

82527578249971 is an equidigital number, since it uses as much as digits as its factorization.

82527578249971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1422489600, while the sum is 76.

The spelling of 82527578249971 in words is "eighty-two trillion, five hundred twenty-seven billion, five hundred seventy-eight million, two hundred forty-nine thousand, nine hundred seventy-one".