8700709 has 2 divisors, whose sum is σ = 8700710. Its totient is φ = 8700708.

The previous prime is 8700697. The next prime is 8700721. The reversal of 8700709 is 9070078.

It is a balanced prime because it is at equal distance from previous prime (8700697) and next prime (8700721).

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 804609 = 2810^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 8700709 - 2⁷ = 8700581 is a prime.

It is a Chen prime.

8700709 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8700799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350354 + 4350355.

It is an arithmetic number, because the mean of its divisors is an integer number (4350355).

Almost surely, 2^8700709 is an apocalyptic number.

It is an amenable number.

8700709 is a deficient number, since it is larger than the sum of its proper divisors (1).

8700709 is an equidigital number, since it uses as much as digits as its factorization.

8700709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 8700709 is about 2949.6964250580. The cubic root of 8700709 is about 205.6765984706.

It can be divided in two parts, 8700 and 709, that added together give a square (9409 = 97²).

The spelling of 8700709 in words is "eight million, seven hundred thousand, seven hundred nine".