67477340767 has 2 divisors, whose sum is σ = 67477340768. Its totient is φ = 67477340766.

The previous prime is 67477340743. The next prime is 67477340839. The reversal of 67477340767 is 76704377476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67477340767 - 2¹⁹ = 67476816479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67477349767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33738670383 + 33738670384.

It is an arithmetic number, because the mean of its divisors is an integer number (33738670384).

Almost surely, 2^67477340767 is an apocalyptic number.

67477340767 is a deficient number, since it is larger than the sum of its proper divisors (1).

67477340767 is an equidigital number, since it uses as much as digits as its factorization.

67477340767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29042496, while the sum is 58.

The spelling of 67477340767 in words is "sixty-seven billion, four hundred seventy-seven million, three hundred forty thousand, seven hundred sixty-seven".