2027128257 has 24 divisors (see below), whose sum is σ = 3650587200. Its totient is φ = 1053053280.

The previous prime is 2027128241. The next prime is 2027128303. The reversal of 2027128257 is 7528217202.

It is not a de Polignac number, because 2027128257 - 2⁴ = 2027128241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2027120257) 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, 1461882 + ... + 1463267.

It is an arithmetic number, because the mean of its divisors is an integer number (152107800).

Almost surely, 2^2027128257 is an apocalyptic number.

It is an amenable number.

2027128257 is a deficient number, since it is larger than the sum of its proper divisors (1623458943).

2027128257 is a wasteful number, since it uses less digits than its factorization.

2027128257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925173 (or 2925170 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 2027128257 is about 45023.6410899874. The cubic root of 2027128257 is about 1265.5920628868.

The spelling of 2027128257 in words is "two billion, twenty-seven million, one hundred twenty-eight thousand, two hundred fifty-seven".