67984461667 has 2 divisors, whose sum is σ = 67984461668. Its totient is φ = 67984461666.

The previous prime is 67984461599. The next prime is 67984461719. The reversal of 67984461667 is 76616448976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67984461667 - 2¹⁵ = 67984428899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67984461599 and 67984461608.

It is not a weakly prime, because it can be changed into another prime (67984431667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33992230833 + 33992230834.

It is an arithmetic number, because the mean of its divisors is an integer number (33992230834).

Almost surely, 2^67984461667 is an apocalyptic number.

67984461667 is a deficient number, since it is larger than the sum of its proper divisors (1).

67984461667 is an equidigital number, since it uses as much as digits as its factorization.

67984461667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 64.

The spelling of 67984461667 in words is "sixty-seven billion, nine hundred eighty-four million, four hundred sixty-one thousand, six hundred sixty-seven".