6777089706065 has 24 divisors (see below), whose sum is σ = 9786480008040. Its totient is φ = 4486900766208.

The previous prime is 6777089706059. The next prime is 6777089706073. The reversal of 6777089706065 is 5606079807776.

It can be written as a sum of positive squares in 4 ways, for example, as 2378137178641 + 4398952527424 = 1542121^2 + 2097368^2 .

It is not a de Polignac number, because 6777089706065 - 2⁸ = 6777089705809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6777089705986 and 6777089706004.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 476916872 + ... + 476931081.

It is an arithmetic number, because the mean of its divisors is an integer number (407770000335).

Almost surely, 2^{6777089706065} is an apocalyptic number.

It is an amenable number.

6777089706065 is a deficient number, since it is larger than the sum of its proper divisors (3009390301975).

6777089706065 is a wasteful number, since it uses less digits than its factorization.

6777089706065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953848001 (or 953847994 counting only the distinct ones).

The product of its (nonzero) digits is 186701760, while the sum is 68.

The spelling of 6777089706065 in words is "six trillion, seven hundred seventy-seven billion, eighty-nine million, seven hundred six thousand, sixty-five".