7766065823 has 2 divisors, whose sum is σ = 7766065824. Its totient is φ = 7766065822.

The previous prime is 7766065793. The next prime is 7766065831. The reversal of 7766065823 is 3285606677.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7766065823 - 2¹⁰ = 7766064799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7766065873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883032911 + 3883032912.

It is an arithmetic number, because the mean of its divisors is an integer number (3883032912).

Almost surely, 2^7766065823 is an apocalyptic number.

7766065823 is a deficient number, since it is larger than the sum of its proper divisors (1).

7766065823 is an equidigital number, since it uses as much as digits as its factorization.

7766065823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 7766065823 is about 88125.2848108873. The cubic root of 7766065823 is about 1980.3123187739.

The spelling of 7766065823 in words is "seven billion, seven hundred sixty-six million, sixty-five thousand, eight hundred twenty-three".