875616616489 has 2 divisors, whose sum is σ = 875616616490. Its totient is φ = 875616616488.

The previous prime is 875616616397. The next prime is 875616616597. The reversal of 875616616489 is 984616616578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873738867600 + 1877748889 = 934740^2 + 43333^2 .

It is a cyclic number.

It is not a de Polignac number, because 875616616489 - 2¹³ = 875616608297 is a prime.

It is not a weakly prime, because it can be changed into another prime (875616611489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437808308244 + 437808308245.

It is an arithmetic number, because the mean of its divisors is an integer number (437808308245).

Almost surely, 2^875616616489 is an apocalyptic number.

It is an amenable number.

875616616489 is a deficient number, since it is larger than the sum of its proper divisors (1).

875616616489 is an equidigital number, since it uses as much as digits as its factorization.

875616616489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104509440, while the sum is 67.

The spelling of 875616616489 in words is "eight hundred seventy-five billion, six hundred sixteen million, six hundred sixteen thousand, four hundred eighty-nine".