8680717 has 2 divisors, whose sum is σ = 8680718. Its totient is φ = 8680716.

The previous prime is 8680699. The next prime is 8680723. The reversal of 8680717 is 7170868.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 72361 = 2934^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 8680717 - 2¹¹ = 8678669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8680417) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340358 + 4340359.

It is an arithmetic number, because the mean of its divisors is an integer number (4340359).

Almost surely, 2^8680717 is an apocalyptic number.

It is an amenable number.

8680717 is a deficient number, since it is larger than the sum of its proper divisors (1).

8680717 is an equidigital number, since it uses as much as digits as its factorization.

8680717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 8680717 is about 2946.3056528473. The cubic root of 8680717 is about 205.5189469529.

The spelling of 8680717 in words is "eight million, six hundred eighty thousand, seven hundred seventeen".