67340450287727 has 2 divisors, whose sum is σ = 67340450287728. Its totient is φ = 67340450287726.

The previous prime is 67340450287687. The next prime is 67340450287753. The reversal of 67340450287727 is 72778205404376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67340450287727 - 2²⁶ = 67340383178863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67340450287727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67340450289727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33670225143863 + 33670225143864.

It is an arithmetic number, because the mean of its divisors is an integer number (33670225143864).

Almost surely, 2^{67340450287727} is an apocalyptic number.

67340450287727 is a deficient number, since it is larger than the sum of its proper divisors (1).

67340450287727 is an equidigital number, since it uses as much as digits as its factorization.

67340450287727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110638080, while the sum is 62.

The spelling of 67340450287727 in words is "sixty-seven trillion, three hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred twenty-seven".