67687872104663 has 2 divisors, whose sum is σ = 67687872104664. Its totient is φ = 67687872104662.

The previous prime is 67687872104653. The next prime is 67687872104717. The reversal of 67687872104663 is 36640127878676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67687872104663 - 2¹² = 67687872100567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67687872104653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33843936052331 + 33843936052332.

It is an arithmetic number, because the mean of its divisors is an integer number (33843936052332).

Almost surely, 2^{67687872104663} is an apocalyptic number.

67687872104663 is a deficient number, since it is larger than the sum of its proper divisors (1).

67687872104663 is an equidigital number, since it uses as much as digits as its factorization.

67687872104663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 682795008, while the sum is 71.

The spelling of 67687872104663 in words is "sixty-seven trillion, six hundred eighty-seven billion, eight hundred seventy-two million, one hundred four thousand, six hundred sixty-three".