716885717 has 2 divisors, whose sum is σ = 716885718. Its totient is φ = 716885716.

The previous prime is 716885711. The next prime is 716885731. The reversal of 716885717 is 717588617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704955601 + 11930116 = 26551^2 + 3454^2 .

It is an emirp because it is prime and its reverse (717588617) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716885717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716885711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358442858 + 358442859.

It is an arithmetic number, because the mean of its divisors is an integer number (358442859).

Almost surely, 2^716885717 is an apocalyptic number.

It is an amenable number.

716885717 is a deficient number, since it is larger than the sum of its proper divisors (1).

716885717 is an equidigital number, since it uses as much as digits as its factorization.

716885717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 50.

The square root of 716885717 is about 26774.7216045284. The cubic root of 716885717 is about 894.9868258519.

The spelling of 716885717 in words is "seven hundred sixteen million, eight hundred eighty-five thousand, seven hundred seventeen".