128589257207 has 2 divisors, whose sum is σ = 128589257208. Its totient is φ = 128589257206.

The previous prime is 128589257177. The next prime is 128589257219. The reversal of 128589257207 is 702752985821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128589257207 - 2³⁰ = 127515515383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128589257297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64294628603 + 64294628604.

It is an arithmetic number, because the mean of its divisors is an integer number (64294628604).

Almost surely, 2^128589257207 is an apocalyptic number.

128589257207 is a deficient number, since it is larger than the sum of its proper divisors (1).

128589257207 is an equidigital number, since it uses as much as digits as its factorization.

128589257207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 128589257207 in words is "one hundred twenty-eight billion, five hundred eighty-nine million, two hundred fifty-seven thousand, two hundred seven".