6880020617 has 2 divisors, whose sum is σ = 6880020618. Its totient is φ = 6880020616.

The previous prime is 6880020533. The next prime is 6880020661. The reversal of 6880020617 is 7160200886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6347149561 + 532871056 = 79669^2 + 23084^2 .

It is a cyclic number.

It is not a de Polignac number, because 6880020617 - 2²⁶ = 6812911753 is a prime.

It is not a weakly prime, because it can be changed into another prime (6880020817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440010308 + 3440010309.

It is an arithmetic number, because the mean of its divisors is an integer number (3440010309).

Almost surely, 2^6880020617 is an apocalyptic number.

It is an amenable number.

6880020617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880020617 is an equidigital number, since it uses as much as digits as its factorization.

6880020617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 6880020617 is about 82945.8896932211. The cubic root of 6880020617 is about 1901.9389824274.

The spelling of 6880020617 in words is "six billion, eight hundred eighty million, twenty thousand, six hundred seventeen".