128927779053 has 32 divisors (see below), whose sum is σ = 184877838336. Its totient is φ = 79709686848.

The previous prime is 128927779033. The next prime is 128927779069. The reversal of 128927779053 is 350977729821.

It is not a de Polignac number, because 128927779053 - 2³⁴ = 111747909869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128927779033) 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, 633276 + ... + 811722.

It is an arithmetic number, because the mean of its divisors is an integer number (5777432448).

Almost surely, 2^128927779053 is an apocalyptic number.

It is an amenable number.

128927779053 is a deficient number, since it is larger than the sum of its proper divisors (55950059283).

128927779053 is a wasteful number, since it uses less digits than its factorization.

128927779053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178793.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 128927779053 in words is "one hundred twenty-eight billion, nine hundred twenty-seven million, seven hundred seventy-nine thousand, fifty-three".