6776138276 has 12 divisors (see below), whose sum is σ = 12020684172. Its totient is φ = 3341657088.

The previous prime is 6776138269. The next prime is 6776138293. The reversal of 6776138276 is 6728316776.

It can be written as a sum of positive squares in 2 ways, for example, as 4359432676 + 2416705600 = 66026^2 + 49160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11602685 + ... + 11603268.

It is an arithmetic number, because the mean of its divisors is an integer number (1001723681).

Almost surely, 2^6776138276 is an apocalyptic number.

It is an amenable number.

6776138276 is a deficient number, since it is larger than the sum of its proper divisors (5244545896).

6776138276 is a wasteful number, since it uses less digits than its factorization.

6776138276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23206030 (or 23206028 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 6776138276 is about 82317.3024096393. The cubic root of 6776138276 is about 1892.3178524130.

The spelling of 6776138276 in words is "six billion, seven hundred seventy-six million, one hundred thirty-eight thousand, two hundred seventy-six".