67964167679 has 2 divisors, whose sum is σ = 67964167680. Its totient is φ = 67964167678.

The previous prime is 67964167673. The next prime is 67964167693. The reversal of 67964167679 is 97676146976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67964167679 - 2²⁴ = 67947390463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67964167673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33982083839 + 33982083840.

It is an arithmetic number, because the mean of its divisors is an integer number (33982083840).

Almost surely, 2^67964167679 is an apocalyptic number.

67964167679 is a deficient number, since it is larger than the sum of its proper divisors (1).

67964167679 is an equidigital number, since it uses as much as digits as its factorization.

67964167679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144027072, while the sum is 68.

The spelling of 67964167679 in words is "sixty-seven billion, nine hundred sixty-four million, one hundred sixty-seven thousand, six hundred seventy-nine".