2805055871 has 2 divisors, whose sum is σ = 2805055872. Its totient is φ = 2805055870.

The previous prime is 2805055867. The next prime is 2805055901. The reversal of 2805055871 is 1785505082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2805055871 - 2² = 2805055867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805025871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402527935 + 1402527936.

It is an arithmetic number, because the mean of its divisors is an integer number (1402527936).

Almost surely, 2^2805055871 is an apocalyptic number.

2805055871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805055871 is an equidigital number, since it uses as much as digits as its factorization.

2805055871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 2805055871 is about 52962.7781654248. The cubic root of 2805055871 is about 1410.3075752062.

The spelling of 2805055871 in words is "two billion, eight hundred five million, fifty-five thousand, eight hundred seventy-one".