7766065793 has 2 divisors, whose sum is σ = 7766065794. Its totient is φ = 7766065792.

The previous prime is 7766065787. The next prime is 7766065823. The reversal of 7766065793 is 3975606677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6538824769 + 1227241024 = 80863^2 + 35032^2 .

It is a cyclic number.

It is not a de Polignac number, because 7766065793 - 2⁸ = 7766065537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7766065763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883032896 + 3883032897.

It is an arithmetic number, because the mean of its divisors is an integer number (3883032897).

Almost surely, 2^7766065793 is an apocalyptic number.

It is an amenable number.

7766065793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7766065793 is an equidigital number, since it uses as much as digits as its factorization.

7766065793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10001880, while the sum is 56.

The square root of 7766065793 is about 88125.2846406751. The cubic root of 7766065793 is about 1980.3123162240.

The spelling of 7766065793 in words is "seven billion, seven hundred sixty-six million, sixty-five thousand, seven hundred ninety-three".