6768007771 has 4 divisors (see below), whose sum is σ = 7734866032. Its totient is φ = 5801149512.

The previous prime is 6768007723. The next prime is 6768007781. The reversal of 6768007771 is 1777008676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6768007771 - 2¹⁷ = 6767876699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6768007781) 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, 483429120 + ... + 483429133.

It is an arithmetic number, because the mean of its divisors is an integer number (1933716508).

Almost surely, 2^6768007771 is an apocalyptic number.

6768007771 is a deficient number, since it is larger than the sum of its proper divisors (966858261).

6768007771 is an equidigital number, since it uses as much as digits as its factorization.

6768007771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966858260.

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 6768007771 is about 82267.9024346677. The cubic root of 6768007771 is about 1891.5607025052.

The spelling of 6768007771 in words is "six billion, seven hundred sixty-eight million, seven thousand, seven hundred seventy-one".