86560709 has 2 divisors, whose sum is σ = 86560710. Its totient is φ = 86560708.

The previous prime is 86560673. The next prime is 86560741. The reversal of 86560709 is 90706568.

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., 51122500 + 35438209 = 7150^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 86560709 - 2¹⁶ = 86495173 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 (86560759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43280354 + 43280355.

It is an arithmetic number, because the mean of its divisors is an integer number (43280355).

Almost surely, 2^86560709 is an apocalyptic number.

It is an amenable number.

86560709 is a deficient number, since it is larger than the sum of its proper divisors (1).

86560709 is an equidigital number, since it uses as much as digits as its factorization.

86560709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 86560709 is about 9303.8007824759. The cubic root of 86560709 is about 442.3577105360.

The spelling of 86560709 in words is "eighty-six million, five hundred sixty thousand, seven hundred nine".