6768402775 has 24 divisors (see below), whose sum is σ = 8841041280. Its totient is φ = 5125966560.

The previous prime is 6768402761. The next prime is 6768402811. The reversal of 6768402775 is 5772048676.

It is not a de Polignac number, because 6768402775 - 2⁷ = 6768402647 is a prime.

It is a super-2 number, since 2×6768402775² = 91622552249255401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758892 + ... + 767758.

It is an arithmetic number, because the mean of its divisors is an integer number (368376720).

Almost surely, 2^6768402775 is an apocalyptic number.

6768402775 is a deficient number, since it is larger than the sum of its proper divisors (2072638505).

6768402775 is a wasteful number, since it uses less digits than its factorization.

6768402775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503 (or 10498 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The square root of 6768402775 is about 82270.3031172245. The cubic root of 6768402775 is about 1891.5975010991.

The spelling of 6768402775 in words is "six billion, seven hundred sixty-eight million, four hundred two thousand, seven hundred seventy-five".