6775620265777 has 4 divisors (see below), whose sum is σ = 7391585744496. Its totient is φ = 6159654787060.

The previous prime is 6775620265699. The next prime is 6775620265789. The reversal of 6775620265777 is 7775620265776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6775620265777 - 2³⁵ = 6741260527409 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6775620265577) 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 in 3 ways as a sum of consecutive naturals, for example, 307982739343 + ... + 307982739364.

It is an arithmetic number, because the mean of its divisors is an integer number (1847896436124).

Almost surely, 2^{6775620265777} is an apocalyptic number.

It is an amenable number.

6775620265777 is a deficient number, since it is larger than the sum of its proper divisors (615965478719).

6775620265777 is a wasteful number, since it uses less digits than its factorization.

6775620265777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615965478718.

The product of its (nonzero) digits is 363031200, while the sum is 67.

Subtracting 6775620265777 from its reverse (7775620265776), we obtain a palindrome (999999999999).

The spelling of 6775620265777 in words is "six trillion, seven hundred seventy-five billion, six hundred twenty million, two hundred sixty-five thousand, seven hundred seventy-seven".