128608214087 has 16 divisors (see below), whose sum is σ = 142017753600. Its totient is φ = 115981094880.

The previous prime is 128608214047. The next prime is 128608214089. The reversal of 128608214087 is 780412806821.

It is a cyclic number.

It is not a de Polignac number, because 128608214087 - 2⁶ = 128608214023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128608214089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604603 + ... + 1682844.

It is an arithmetic number, because the mean of its divisors is an integer number (8876109600).

Almost surely, 2^128608214087 is an apocalyptic number.

128608214087 is a deficient number, since it is larger than the sum of its proper divisors (13409539513).

128608214087 is a wasteful number, since it uses less digits than its factorization.

128608214087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287566.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 128608214087 in words is "one hundred twenty-eight billion, six hundred eight million, two hundred fourteen thousand, eighty-seven".