6775759997 has 2 divisors, whose sum is σ = 6775759998. Its totient is φ = 6775759996.

The previous prime is 6775759981. The next prime is 6775760009. The reversal of 6775759997 is 7999575776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6742708996 + 33051001 = 82114^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 6775759997 - 2⁴ = 6775759981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6775759997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6775759937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387879998 + 3387879999.

It is an arithmetic number, because the mean of its divisors is an integer number (3387879999).

Almost surely, 2^6775759997 is an apocalyptic number.

It is an amenable number.

6775759997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775759997 is an equidigital number, since it uses as much as digits as its factorization.

6775759997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262549350, while the sum is 71.

The square root of 6775759997 is about 82315.0046893032. The cubic root of 6775759997 is about 1892.2826387758.

The spelling of 6775759997 in words is "six billion, seven hundred seventy-five million, seven hundred fifty-nine thousand, nine hundred ninety-seven".