86751063494309 has 2 divisors, whose sum is σ = 86751063494310. Its totient is φ = 86751063494308.

The previous prime is 86751063494299. The next prime is 86751063494363. The reversal of 86751063494309 is 90349436015768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64797621791809 + 21953441702500 = 8049697^2 + 4685450^2 .

It is a cyclic number.

It is not a de Polignac number, because 86751063494309 - 2⁴⁰ = 85651551866533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86751063494369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43375531747154 + 43375531747155.

It is an arithmetic number, because the mean of its divisors is an integer number (43375531747155).

Almost surely, 2^{86751063494309} is an apocalyptic number.

It is an amenable number.

86751063494309 is a deficient number, since it is larger than the sum of its proper divisors (1).

86751063494309 is an equidigital number, since it uses as much as digits as its factorization.

86751063494309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 86751063494309 in words is "eighty-six trillion, seven hundred fifty-one billion, sixty-three million, four hundred ninety-four thousand, three hundred nine".