8678970617 has 2 divisors, whose sum is σ = 8678970618. Its totient is φ = 8678970616.

The previous prime is 8678970541. The next prime is 8678970647. The reversal of 8678970617 is 7160798768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6819291241 + 1859679376 = 82579^2 + 43124^2 .

It is a cyclic number.

It is not a de Polignac number, because 8678970617 - 2⁸ = 8678970361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8678970647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339485308 + 4339485309.

It is an arithmetic number, because the mean of its divisors is an integer number (4339485309).

Almost surely, 2^8678970617 is an apocalyptic number.

It is an amenable number.

8678970617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678970617 is an equidigital number, since it uses as much as digits as its factorization.

8678970617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The square root of 8678970617 is about 93160.9930013630. The cubic root of 8678970617 is about 2055.0516395680.

The spelling of 8678970617 in words is "eight billion, six hundred seventy-eight million, nine hundred seventy thousand, six hundred seventeen".