8117912293399 has 2 divisors, whose sum is σ = 8117912293400. Its totient is φ = 8117912293398.

The previous prime is 8117912293363. The next prime is 8117912293481. The reversal of 8117912293399 is 9933922197118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8117912293399 - 2²³ = 8117903904791 is a prime.

It is a super-2 number, since 2×8117912293399² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8117912293399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8117912293999) 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, 4058956146699 + 4058956146700.

It is an arithmetic number, because the mean of its divisors is an integer number (4058956146700).

Almost surely, 2^{8117912293399} is an apocalyptic number.

8117912293399 is a deficient number, since it is larger than the sum of its proper divisors (1).

8117912293399 is an equidigital number, since it uses as much as digits as its factorization.

8117912293399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 64.

The spelling of 8117912293399 in words is "eight trillion, one hundred seventeen billion, nine hundred twelve million, two hundred ninety-three thousand, three hundred ninety-nine".