82527839 has 2 divisors, whose sum is σ = 82527840. Its totient is φ = 82527838.

The previous prime is 82527821. The next prime is 82527847. The reversal of 82527839 is 93872528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82527839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82527839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82527889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41263919 + 41263920.

It is an arithmetic number, because the mean of its divisors is an integer number (41263920).

Almost surely, 2^82527839 is an apocalyptic number.

82527839 is a deficient number, since it is larger than the sum of its proper divisors (1).

82527839 is an equidigital number, since it uses as much as digits as its factorization.

82527839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 82527839 is about 9084.4834195457. The cubic root of 82527839 is about 435.3783452529.

The spelling of 82527839 in words is "eighty-two million, five hundred twenty-seven thousand, eight hundred thirty-nine".