2755828891 has 2 divisors, whose sum is σ = 2755828892. Its totient is φ = 2755828890.

The previous prime is 2755828853. The next prime is 2755828909. The reversal of 2755828891 is 1988285572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2755828891 - 2²⁵ = 2722274459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2755828391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377914445 + 1377914446.

It is an arithmetic number, because the mean of its divisors is an integer number (1377914446).

Almost surely, 2^2755828891 is an apocalyptic number.

2755828891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755828891 is an equidigital number, since it uses as much as digits as its factorization.

2755828891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 55.

The square root of 2755828891 is about 52495.9892848968. The cubic root of 2755828891 is about 1402.0088323440.

The spelling of 2755828891 in words is "two billion, seven hundred fifty-five million, eight hundred twenty-eight thousand, eight hundred ninety-one".