867493912871507 has 2 divisors, whose sum is σ = 867493912871508. Its totient is φ = 867493912871506.

The previous prime is 867493912871477. The next prime is 867493912871561. The reversal of 867493912871507 is 705178219394768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867493912871507 - 2²⁴ = 867493896094291 is a prime.

It is not a weakly prime, because it can be changed into another prime (867493912871107) 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, 433746956435753 + 433746956435754.

It is an arithmetic number, because the mean of its divisors is an integer number (433746956435754).

It is a 1-persistent number, because it is pandigital, but 2⋅867493912871507 = 1734987825743014 is not.

Almost surely, 2^{867493912871507} is an apocalyptic number.

867493912871507 is a deficient number, since it is larger than the sum of its proper divisors (1).

867493912871507 is an equidigital number, since it uses as much as digits as its factorization.

867493912871507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280240640, while the sum is 77.

The spelling of 867493912871507 in words is "eight hundred sixty-seven trillion, four hundred ninety-three billion, nine hundred twelve million, eight hundred seventy-one thousand, five hundred seven".