68746546727 has 2 divisors, whose sum is σ = 68746546728. Its totient is φ = 68746546726.

The previous prime is 68746546723. The next prime is 68746546753. The reversal of 68746546727 is 72764564786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68746546727 - 2² = 68746546723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68746546727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68746546723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34373273363 + 34373273364.

It is an arithmetic number, because the mean of its divisors is an integer number (34373273364).

Almost surely, 2^68746546727 is an apocalyptic number.

68746546727 is a deficient number, since it is larger than the sum of its proper divisors (1).

68746546727 is an equidigital number, since it uses as much as digits as its factorization.

68746546727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94832640, while the sum is 62.

The spelling of 68746546727 in words is "sixty-eight billion, seven hundred forty-six million, five hundred forty-six thousand, seven hundred twenty-seven".