8678646025039 has 2 divisors, whose sum is σ = 8678646025040. Its totient is φ = 8678646025038.

The previous prime is 8678646025003. The next prime is 8678646025081. The reversal of 8678646025039 is 9305206468768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8678646025039 - 2⁷ = 8678646024911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8678646625039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339323012519 + 4339323012520.

It is an arithmetic number, because the mean of its divisors is an integer number (4339323012520).

Almost surely, 2^{8678646025039} is an apocalyptic number.

8678646025039 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678646025039 is an equidigital number, since it uses as much as digits as its factorization.

8678646025039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 8678646025039 in words is "eight trillion, six hundred seventy-eight billion, six hundred forty-six million, twenty-five thousand, thirty-nine".