6776805893566 has 8 divisors (see below), whose sum is σ = 10763162301600. Its totient is φ = 3189085126368.

The previous prime is 6776805893551. The next prime is 6776805893567. The reversal of 6776805893566 is 6653985086776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6776805893492 and 6776805893501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776805893567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99658910166 + ... + 99658910233.

It is an arithmetic number, because the mean of its divisors is an integer number (1345395287700).

Almost surely, 2^{6776805893566} is an apocalyptic number.

6776805893566 is a deficient number, since it is larger than the sum of its proper divisors (3986356408034).

6776805893566 is a wasteful number, since it uses less digits than its factorization.

6776805893566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199317820418.

The product of its (nonzero) digits is 2743372800, while the sum is 76.

The spelling of 6776805893566 in words is "six trillion, seven hundred seventy-six billion, eight hundred five million, eight hundred ninety-three thousand, five hundred sixty-six".