99982709 has 2 divisors, whose sum is σ = 99982710. Its totient is φ = 99982708.

The previous prime is 99982703. The next prime is 99982717. The reversal of 99982709 is 90728999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53333809 + 46648900 = 7303^2 + 6830^2 .

It is a cyclic number.

It is not a de Polignac number, because 99982709 - 2⁸ = 99982453 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 (99982703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991354 + 49991355.

It is an arithmetic number, because the mean of its divisors is an integer number (49991355).

Almost surely, 2^99982709 is an apocalyptic number.

It is an amenable number.

99982709 is a deficient number, since it is larger than the sum of its proper divisors (1).

99982709 is an equidigital number, since it uses as much as digits as its factorization.

99982709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 99982709 is about 9999.1354126244. The cubic root of 99982709 is about 464.1321292484.

The spelling of 99982709 in words is "ninety-nine million, nine hundred eighty-two thousand, seven hundred nine".