8856305689109 has 2 divisors, whose sum is σ = 8856305689110. Its totient is φ = 8856305689108.

The previous prime is 8856305689097. The next prime is 8856305689151. The reversal of 8856305689109 is 9019865036588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8788983602884 + 67322086225 = 2964622^2 + 259465^2 .

It is a cyclic number.

It is not a de Polignac number, because 8856305689109 - 2¹² = 8856305685013 is a prime.

It is a super-2 number, since 2×8856305689109² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8856305689409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428152844554 + 4428152844555.

It is an arithmetic number, because the mean of its divisors is an integer number (4428152844555).

Almost surely, 2^{8856305689109} is an apocalyptic number.

It is an amenable number.

8856305689109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8856305689109 is an equidigital number, since it uses as much as digits as its factorization.

8856305689109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111974400, while the sum is 68.

The spelling of 8856305689109 in words is "eight trillion, eight hundred fifty-six billion, three hundred five million, six hundred eighty-nine thousand, one hundred nine".