8713548078691 has 2 divisors, whose sum is σ = 8713548078692. Its totient is φ = 8713548078690.

The previous prime is 8713548078671. The next prime is 8713548078721. The reversal of 8713548078691 is 1968708453178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8713548078691 - 2⁵ = 8713548078659 is a prime.

It is not a weakly prime, because it can be changed into another prime (8713548078661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356774039345 + 4356774039346.

It is an arithmetic number, because the mean of its divisors is an integer number (4356774039346).

Almost surely, 2^{8713548078691} is an apocalyptic number.

8713548078691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8713548078691 is an equidigital number, since it uses as much as digits as its factorization.

8713548078691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 8713548078691 in words is "eight trillion, seven hundred thirteen billion, five hundred forty-eight million, seventy-eight thousand, six hundred ninety-one".