2805740827 has 2 divisors, whose sum is σ = 2805740828. Its totient is φ = 2805740826.

The previous prime is 2805740803. The next prime is 2805740831. The reversal of 2805740827 is 7280475082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2805740827 is a prime.

It is a super-3 number, since 3×2805740827³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2805740897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402870413 + 1402870414.

It is an arithmetic number, because the mean of its divisors is an integer number (1402870414).

Almost surely, 2^2805740827 is an apocalyptic number.

2805740827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805740827 is an equidigital number, since it uses as much as digits as its factorization.

2805740827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 2805740827 is about 52969.2441611167. The cubic root of 2805740827 is about 1410.4223584242.

The spelling of 2805740827 in words is "two billion, eight hundred five million, seven hundred forty thousand, eight hundred twenty-seven".