67428678126937 has 2 divisors, whose sum is σ = 67428678126938. Its totient is φ = 67428678126936.

The previous prime is 67428678126863. The next prime is 67428678127081. The reversal of 67428678126937 is 73962187682476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55298914632976 + 12129763493961 = 7436324^2 + 3482781^2 .

It is a cyclic number.

It is not a de Polignac number, because 67428678126937 - 2¹¹ = 67428678124889 is a prime.

It is not a weakly prime, because it can be changed into another prime (67428678126137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33714339063468 + 33714339063469.

It is an arithmetic number, because the mean of its divisors is an integer number (33714339063469).

Almost surely, 2^{67428678126937} is an apocalyptic number.

It is an amenable number.

67428678126937 is a deficient number, since it is larger than the sum of its proper divisors (1).

67428678126937 is an equidigital number, since it uses as much as digits as its factorization.

67428678126937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048385024, while the sum is 76.

The spelling of 67428678126937 in words is "sixty-seven trillion, four hundred twenty-eight billion, six hundred seventy-eight million, one hundred twenty-six thousand, nine hundred thirty-seven".