808055771 has 2 divisors, whose sum is σ = 808055772. Its totient is φ = 808055770.

The previous prime is 808055753. The next prime is 808055779. The reversal of 808055771 is 177550808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808055771 - 2⁶ = 808055707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (808055779) 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, 404027885 + 404027886.

It is an arithmetic number, because the mean of its divisors is an integer number (404027886).

Almost surely, 2^808055771 is an apocalyptic number.

808055771 is a deficient number, since it is larger than the sum of its proper divisors (1).

808055771 is an equidigital number, since it uses as much as digits as its factorization.

808055771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 808055771 is about 28426.3217986429. The cubic root of 808055771 is about 931.4233306121.

The spelling of 808055771 in words is "eight hundred eight million, fifty-five thousand, seven hundred seventy-one".