67450060477771 has 2 divisors, whose sum is σ = 67450060477772. Its totient is φ = 67450060477770.

The previous prime is 67450060477727. The next prime is 67450060477913. The reversal of 67450060477771 is 17777406005476.

67450060477771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67450060477771 - 2⁹ = 67450060477259 is a prime.

It is not a weakly prime, because it can be changed into another prime (67450060477271) 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, 33725030238885 + 33725030238886.

It is an arithmetic number, because the mean of its divisors is an integer number (33725030238886).

Almost surely, 2^{67450060477771} is an apocalyptic number.

67450060477771 is a deficient number, since it is larger than the sum of its proper divisors (1).

67450060477771 is an equidigital number, since it uses as much as digits as its factorization.

67450060477771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48404160, while the sum is 61.

The spelling of 67450060477771 in words is "sixty-seven trillion, four hundred fifty billion, sixty million, four hundred seventy-seven thousand, seven hundred seventy-one".