82719113 has 2 divisors, whose sum is σ = 82719114. Its totient is φ = 82719112.

The previous prime is 82719079. The next prime is 82719137. The reversal of 82719113 is 31191728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 327184 = 9077^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 82719113 - 2¹⁶ = 82653577 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82719113.

It is not a weakly prime, because it can be changed into another prime (82719163) 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, 41359556 + 41359557.

It is an arithmetic number, because the mean of its divisors is an integer number (41359557).

Almost surely, 2^82719113 is an apocalyptic number.

It is an amenable number.

82719113 is a deficient number, since it is larger than the sum of its proper divisors (1).

82719113 is an equidigital number, since it uses as much as digits as its factorization.

82719113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 82719113 is about 9095.0048378217. The cubic root of 82719113 is about 435.7144431681.

The spelling of 82719113 in words is "eighty-two million, seven hundred nineteen thousand, one hundred thirteen".