8678192386873 has 2 divisors, whose sum is σ = 8678192386874. Its totient is φ = 8678192386872.

The previous prime is 8678192386867. The next prime is 8678192386933. The reversal of 8678192386873 is 3786832918768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4521866155024 + 4156326231849 = 2126468^2 + 2038707^2 .

It is a cyclic number.

It is not a de Polignac number, because 8678192386873 - 2⁹ = 8678192386361 is a prime.

It is a super-2 number, since 2×8678192386873² (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 8678192386873.

It is not a weakly prime, because it can be changed into another prime (8678192386573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339096193436 + 4339096193437.

It is an arithmetic number, because the mean of its divisors is an integer number (4339096193437).

Almost surely, 2^{8678192386873} is an apocalyptic number.

It is an amenable number.

8678192386873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678192386873 is an equidigital number, since it uses as much as digits as its factorization.

8678192386873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1170505728, while the sum is 76.

The spelling of 8678192386873 in words is "eight trillion, six hundred seventy-eight billion, one hundred ninety-two million, three hundred eighty-six thousand, eight hundred seventy-three".