8875546380509 has 2 divisors, whose sum is σ = 8875546380510. Its totient is φ = 8875546380508.

The previous prime is 8875546380439. The next prime is 8875546380553. The reversal of 8875546380509 is 9050836455788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6556656996409 + 2318889384100 = 2560597^2 + 1522790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8875546380509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8875546380109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4437773190254 + 4437773190255.

It is an arithmetic number, because the mean of its divisors is an integer number (4437773190255).

Almost surely, 2^{8875546380509} is an apocalyptic number.

It is an amenable number.

8875546380509 is a deficient number, since it is larger than the sum of its proper divisors (1).

8875546380509 is an equidigital number, since it uses as much as digits as its factorization.

8875546380509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304000, while the sum is 68.

The spelling of 8875546380509 in words is "eight trillion, eight hundred seventy-five billion, five hundred forty-six million, three hundred eighty thousand, five hundred nine".