67875474839 has 2 divisors, whose sum is σ = 67875474840. Its totient is φ = 67875474838.

The previous prime is 67875474829. The next prime is 67875474889. The reversal of 67875474839 is 93847457876.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67875474839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67875474829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33937737419 + 33937737420.

It is an arithmetic number, because the mean of its divisors is an integer number (33937737420).

Almost surely, 2^67875474839 is an apocalyptic number.

67875474839 is a deficient number, since it is larger than the sum of its proper divisors (1).

67875474839 is an equidigital number, since it uses as much as digits as its factorization.

67875474839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 284497920, while the sum is 68.

The spelling of 67875474839 in words is "sixty-seven billion, eight hundred seventy-five million, four hundred seventy-four thousand, eight hundred thirty-nine".