8318492726387 has 2 divisors, whose sum is σ = 8318492726388. Its totient is φ = 8318492726386.

The previous prime is 8318492726347. The next prime is 8318492726431. The reversal of 8318492726387 is 7836272948138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8318492726387 - 2¹² = 8318492722291 is a prime.

It is not a weakly prime, because it can be changed into another prime (8318492726317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159246363193 + 4159246363194.

It is an arithmetic number, because the mean of its divisors is an integer number (4159246363194).

Almost surely, 2^{8318492726387} is an apocalyptic number.

8318492726387 is a deficient number, since it is larger than the sum of its proper divisors (1).

8318492726387 is an equidigital number, since it uses as much as digits as its factorization.

8318492726387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195084288, while the sum is 68.

The spelling of 8318492726387 in words is "eight trillion, three hundred eighteen billion, four hundred ninety-two million, seven hundred twenty-six thousand, three hundred eighty-seven".