969986617 has 2 divisors, whose sum is σ = 969986618. Its totient is φ = 969986616.

The previous prime is 969986599. The next prime is 969986627. The reversal of 969986617 is 716689969.

969986617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814759936 + 155226681 = 28544^2 + 12459^2 .

It is a cyclic number.

It is not a de Polignac number, because 969986617 - 2⁷ = 969986489 is a prime.

It is not a weakly prime, because it can be changed into another prime (969986627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484993308 + 484993309.

It is an arithmetic number, because the mean of its divisors is an integer number (484993309).

Almost surely, 2^969986617 is an apocalyptic number.

It is an amenable number.

969986617 is a deficient number, since it is larger than the sum of its proper divisors (1).

969986617 is an equidigital number, since it uses as much as digits as its factorization.

969986617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 61.

The square root of 969986617 is about 31144.6081529372. The cubic root of 969986617 is about 989.8937467165.

The spelling of 969986617 in words is "nine hundred sixty-nine million, nine hundred eighty-six thousand, six hundred seventeen".