128076927 has 24 divisors (see below), whose sum is σ = 191724288. Its totient is φ = 75960720.

The previous prime is 128076913. The next prime is 128076931. The reversal of 128076927 is 729670821.

It is not a de Polignac number, because 128076927 - 2⁴ = 128076911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128076127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13308 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (7988512).

Almost surely, 2^128076927 is an apocalyptic number.

128076927 is a deficient number, since it is larger than the sum of its proper divisors (63647361).

128076927 is a wasteful number, since it uses less digits than its factorization.

128076927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 128076927 is about 11317.1077135459. The cubic root of 128076927 is about 504.0693601003.

The spelling of 128076927 in words is "one hundred twenty-eight million, seventy-six thousand, nine hundred twenty-seven".