9880709 has 2 divisors, whose sum is σ = 9880710. Its totient is φ = 9880708.

The previous prime is 9880693. The next prime is 9880721. The reversal of 9880709 is 9070889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9132484 + 748225 = 3022^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 9880709 - 2⁴ = 9880693 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9840709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4940354 + 4940355.

It is an arithmetic number, because the mean of its divisors is an integer number (4940355).

Almost surely, 2^9880709 is an apocalyptic number.

It is an amenable number.

9880709 is a deficient number, since it is larger than the sum of its proper divisors (1).

9880709 is an equidigital number, since it uses as much as digits as its factorization.

9880709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9880709 is about 3143.3595085513. The cubic root of 9880709 is about 214.5833575350.

The spelling of 9880709 in words is "nine million, eight hundred eighty thousand, seven hundred nine".