2805505567 has 2 divisors, whose sum is σ = 2805505568. Its totient is φ = 2805505566.

The previous prime is 2805505543. The next prime is 2805505589. The reversal of 2805505567 is 7655055082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2805505567 - 2¹⁹ = 2804981279 is a prime.

It is a super-2 number, since 2×2805505567² = 15741722972935982978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805500567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402752783 + 1402752784.

It is an arithmetic number, because the mean of its divisors is an integer number (1402752784).

Almost surely, 2^2805505567 is an apocalyptic number.

2805505567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805505567 is an equidigital number, since it uses as much as digits as its factorization.

2805505567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 2805505567 is about 52967.0233919181. The cubic root of 2805505567 is about 1410.3829362467.

The spelling of 2805505567 in words is "two billion, eight hundred five million, five hundred five thousand, five hundred sixty-seven".