128842883207 has 4 divisors (see below), whose sum is σ = 128893432200. Its totient is φ = 128792334216.

The previous prime is 128842883173. The next prime is 128842883243. The reversal of 128842883207 is 702388248821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128842883207 - 2²² = 128838688903 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 (128842880207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25270673 + ... + 25275770.

It is an arithmetic number, because the mean of its divisors is an integer number (32223358050).

Almost surely, 2^128842883207 is an apocalyptic number.

128842883207 is a deficient number, since it is larger than the sum of its proper divisors (50548993).

128842883207 is an equidigital number, since it uses as much as digits as its factorization.

128842883207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50548992.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 128842883207 in words is "one hundred twenty-eight billion, eight hundred forty-two million, eight hundred eighty-three thousand, two hundred seven".