128613033387767 has 2 divisors, whose sum is σ = 128613033387768. Its totient is φ = 128613033387766.

The previous prime is 128613033387731. The next prime is 128613033387913. The reversal of 128613033387767 is 767783330316821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128613033387767 - 2¹² = 128613033383671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128613033587767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64306516693883 + 64306516693884.

It is an arithmetic number, because the mean of its divisors is an integer number (64306516693884).

Almost surely, 2^{128613033387767} is an apocalyptic number.

128613033387767 is a deficient number, since it is larger than the sum of its proper divisors (1).

128613033387767 is an equidigital number, since it uses as much as digits as its factorization.

128613033387767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128024064, while the sum is 65.

The spelling of 128613033387767 in words is "one hundred twenty-eight trillion, six hundred thirteen billion, thirty-three million, three hundred eighty-seven thousand, seven hundred sixty-seven".