6773993777 has 16 divisors (see below), whose sum is σ = 6986200320. Its totient is φ = 6564499200.

The previous prime is 6773993761. The next prime is 6773993783. The reversal of 6773993777 is 7773993776.

It is a cyclic number.

It is not a de Polignac number, because 6773993777 - 2⁴ = 6773993761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6773993747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133577 + ... + 3135737.

It is an arithmetic number, because the mean of its divisors is an integer number (436637520).

Almost surely, 2^6773993777 is an apocalyptic number.

It is an amenable number.

6773993777 is a deficient number, since it is larger than the sum of its proper divisors (212206543).

6773993777 is a wasteful number, since it uses less digits than its factorization.

6773993777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its digits is 73513818, while the sum is 65.

The square root of 6773993777 is about 82304.2755693773. The cubic root of 6773993777 is about 1892.1182056649.

Subtracting 6773993777 from its reverse (7773993776), we obtain a palindrome (999999999).

The spelling of 6773993777 in words is "six billion, seven hundred seventy-three million, nine hundred ninety-three thousand, seven hundred seventy-seven".