128722365086 has 16 divisors (see below), whose sum is σ = 220736358240. Its totient is φ = 55149366240.

The previous prime is 128722365077. The next prime is 128722365089. The reversal of 128722365086 is 680563227821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128722365089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400681 + ... + 1489748.

It is an arithmetic number, because the mean of its divisors is an integer number (13796022390).

Almost surely, 2^128722365086 is an apocalyptic number.

128722365086 is a deficient number, since it is larger than the sum of its proper divisors (92013993154).

128722365086 is a wasteful number, since it uses less digits than its factorization.

128722365086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893619.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 128722365086 in words is "one hundred twenty-eight billion, seven hundred twenty-two million, three hundred sixty-five thousand, eighty-six".