82795709 has 2 divisors, whose sum is σ = 82795710. Its totient is φ = 82795708.

The previous prime is 82795681. The next prime is 82795723. The reversal of 82795709 is 90759728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 4826809 = 8830^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 82795709 - 2²⁴ = 66018493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82795789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41397854 + 41397855.

It is an arithmetic number, because the mean of its divisors is an integer number (41397855).

Almost surely, 2^82795709 is an apocalyptic number.

It is an amenable number.

82795709 is a deficient number, since it is larger than the sum of its proper divisors (1).

82795709 is an equidigital number, since it uses as much as digits as its factorization.

82795709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 82795709 is about 9099.2147463394. The cubic root of 82795709 is about 435.8488888699.

The spelling of 82795709 in words is "eighty-two million, seven hundred ninety-five thousand, seven hundred nine".