128003876797 has 2 divisors, whose sum is σ = 128003876798. Its totient is φ = 128003876796.

The previous prime is 128003876761. The next prime is 128003876807. The reversal of 128003876797 is 797678300821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99660807481 + 28343069316 = 315691^2 + 168354^2 .

It is a cyclic number.

It is not a de Polignac number, because 128003876797 - 2¹⁹ = 128003352509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128003871797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64001938398 + 64001938399.

It is an arithmetic number, because the mean of its divisors is an integer number (64001938399).

Almost surely, 2^128003876797 is an apocalyptic number.

It is an amenable number.

128003876797 is a deficient number, since it is larger than the sum of its proper divisors (1).

128003876797 is an equidigital number, since it uses as much as digits as its factorization.

128003876797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 128003876797 in words is "one hundred twenty-eight billion, three million, eight hundred seventy-six thousand, seven hundred ninety-seven".