128753763871 has 2 divisors, whose sum is σ = 128753763872. Its totient is φ = 128753763870.

The previous prime is 128753763863. The next prime is 128753763893. The reversal of 128753763871 is 178367357821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128753763871 - 2³ = 128753763863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128753763071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64376881935 + 64376881936.

It is an arithmetic number, because the mean of its divisors is an integer number (64376881936).

Almost surely, 2^128753763871 is an apocalyptic number.

128753763871 is a deficient number, since it is larger than the sum of its proper divisors (1).

128753763871 is an equidigital number, since it uses as much as digits as its factorization.

128753763871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 58.

The spelling of 128753763871 in words is "one hundred twenty-eight billion, seven hundred fifty-three million, seven hundred sixty-three thousand, eight hundred seventy-one".