82867717 has 2 divisors, whose sum is σ = 82867718. Its totient is φ = 82867716.

The previous prime is 82867711. The next prime is 82867727. The reversal of 82867717 is 71776828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81162081 + 1705636 = 9009^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 82867717 - 2³ = 82867709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82867711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41433858 + 41433859.

It is an arithmetic number, because the mean of its divisors is an integer number (41433859).

Almost surely, 2^82867717 is an apocalyptic number.

It is an amenable number.

82867717 is a deficient number, since it is larger than the sum of its proper divisors (1).

82867717 is an equidigital number, since it uses as much as digits as its factorization.

82867717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 46.

The square root of 82867717 is about 9103.1707113511. The cubic root of 82867717 is about 435.9752058537.

The spelling of 82867717 in words is "eighty-two million, eight hundred sixty-seven thousand, seven hundred seventeen".