7776666341 has 2 divisors, whose sum is σ = 7776666342. Its totient is φ = 7776666340.

The previous prime is 7776666323. The next prime is 7776666437. The reversal of 7776666341 is 1436666777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3950625316 + 3826041025 = 62854^2 + 61855^2 .

It is a cyclic number.

It is not a de Polignac number, because 7776666341 - 2³⁰ = 6702924517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7776666301) 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, 3888333170 + 3888333171.

It is an arithmetic number, because the mean of its divisors is an integer number (3888333171).

Almost surely, 2^7776666341 is an apocalyptic number.

It is an amenable number.

7776666341 is a deficient number, since it is larger than the sum of its proper divisors (1).

7776666341 is an equidigital number, since it uses as much as digits as its factorization.

7776666341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 53.

The square root of 7776666341 is about 88185.4088894529. The cubic root of 7776666341 is about 1981.2129374711.

The spelling of 7776666341 in words is "seven billion, seven hundred seventy-six million, six hundred sixty-six thousand, three hundred forty-one".