8178445004099 has 2 divisors, whose sum is σ = 8178445004100. Its totient is φ = 8178445004098.

The previous prime is 8178445004089. The next prime is 8178445004123. The reversal of 8178445004099 is 9904005448718.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8178445004099 - 2⁴ = 8178445004083 is a prime.

It is not a weakly prime, because it can be changed into another prime (8178445004069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4089222502049 + 4089222502050.

It is an arithmetic number, because the mean of its divisors is an integer number (4089222502050).

Almost surely, 2^{8178445004099} is an apocalyptic number.

8178445004099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8178445004099 is an equidigital number, since it uses as much as digits as its factorization.

8178445004099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 8178445004099 in words is "eight trillion, one hundred seventy-eight billion, four hundred forty-five million, four thousand, ninety-nine".