5775776891 has 2 divisors, whose sum is σ = 5775776892. Its totient is φ = 5775776890.

The previous prime is 5775776869. The next prime is 5775776917. The reversal of 5775776891 is 1986775775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5775776891 - 2¹⁸ = 5775514747 is a prime.

It is not a weakly prime, because it can be changed into another prime (5775776791) 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, 2887888445 + 2887888446.

It is an arithmetic number, because the mean of its divisors is an integer number (2887888446).

Almost surely, 2^5775776891 is an apocalyptic number.

5775776891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5775776891 is an equidigital number, since it uses as much as digits as its factorization.

5775776891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25930800, while the sum is 62.

The square root of 5775776891 is about 75998.5321634569. The cubic root of 5775776891 is about 1794.1970416722.

The spelling of 5775776891 in words is "five billion, seven hundred seventy-five million, seven hundred seventy-six thousand, eight hundred ninety-one".