2077755791 has 2 divisors, whose sum is σ = 2077755792. Its totient is φ = 2077755790.

The previous prime is 2077755787. The next prime is 2077755803. The reversal of 2077755791 is 1975577702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2077755791 - 2² = 2077755787 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077755391) 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, 1038877895 + 1038877896.

It is an arithmetic number, because the mean of its divisors is an integer number (1038877896).

Almost surely, 2^2077755791 is an apocalyptic number.

2077755791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077755791 is an equidigital number, since it uses as much as digits as its factorization.

2077755791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080450, while the sum is 50.

The square root of 2077755791 is about 45582.4065950889. The cubic root of 2077755791 is about 1276.0416024587.

The spelling of 2077755791 in words is "two billion, seventy-seven million, seven hundred fifty-five thousand, seven hundred ninety-one".