128836755067 has 32 divisors (see below), whose sum is σ = 141662062080. Its totient is φ = 116643594240.

The previous prime is 128836755059. The next prime is 128836755143. The reversal of 128836755067 is 760557638821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128836755067 - 2³ = 128836755059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128836755667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104151973 + ... + 104153209.

It is an arithmetic number, because the mean of its divisors is an integer number (4426939440).

Almost surely, 2^128836755067 is an apocalyptic number.

128836755067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128836755067 is a deficient number, since it is larger than the sum of its proper divisors (12825307013).

128836755067 is a wasteful number, since it uses less digits than its factorization.

128836755067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 128836755067 in words is "one hundred twenty-eight billion, eight hundred thirty-six million, seven hundred fifty-five thousand, sixty-seven".