67071725879 has 2 divisors, whose sum is σ = 67071725880. Its totient is φ = 67071725878.

The previous prime is 67071725869. The next prime is 67071725921. The reversal of 67071725879 is 97852717076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67071725879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67071725849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33535862939 + 33535862940.

It is an arithmetic number, because the mean of its divisors is an integer number (33535862940).

Almost surely, 2^67071725879 is an apocalyptic number.

67071725879 is a deficient number, since it is larger than the sum of its proper divisors (1).

67071725879 is an equidigital number, since it uses as much as digits as its factorization.

67071725879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10372320, while the sum is 59.

The spelling of 67071725879 in words is "sixty-seven billion, seventy-one million, seven hundred twenty-five thousand, eight hundred seventy-nine".