128102789279 has 2 divisors, whose sum is σ = 128102789280. Its totient is φ = 128102789278.

The previous prime is 128102789261. The next prime is 128102789291. The reversal of 128102789279 is 972987201821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128102789279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128102789299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64051394639 + 64051394640.

It is an arithmetic number, because the mean of its divisors is an integer number (64051394640).

Almost surely, 2^128102789279 is an apocalyptic number.

128102789279 is a deficient number, since it is larger than the sum of its proper divisors (1).

128102789279 is an equidigital number, since it uses as much as digits as its factorization.

128102789279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 128102789279 in words is "one hundred twenty-eight billion, one hundred two million, seven hundred eighty-nine thousand, two hundred seventy-nine".