28127058127 has 16 divisors (see below), whose sum is σ = 34046256960. Its totient is φ = 22683967488.

The previous prime is 28127058109. The next prime is 28127058143. The reversal of 28127058127 is 72185072182.

It is not a de Polignac number, because 28127058127 - 2¹¹ = 28127056079 is a prime.

It is a super-2 number, since 2×28127058127² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28127053127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386463 + ... + 453439.

It is an arithmetic number, because the mean of its divisors is an integer number (2127891060).

Almost surely, 2^28127058127 is an apocalyptic number.

28127058127 is a deficient number, since it is larger than the sum of its proper divisors (5919198833).

28127058127 is a wasteful number, since it uses less digits than its factorization.

28127058127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70530.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 28127058127 in words is "twenty-eight billion, one hundred twenty-seven million, fifty-eight thousand, one hundred twenty-seven".