6777836768 has 12 divisors (see below), whose sum is σ = 13343866200. Its totient is φ = 3388918368.

The previous prime is 6777836753. The next prime is 6777836803. The reversal of 6777836768 is 8676387776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105903668 + ... + 105903731.

It is an arithmetic number, because the mean of its divisors is an integer number (1111988850).

Almost surely, 2^6777836768 is an apocalyptic number.

It is an amenable number.

6777836768 is a deficient number, since it is larger than the sum of its proper divisors (6566029432).

6777836768 is a wasteful number, since it uses less digits than its factorization.

6777836768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211807409 (or 211807401 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 65.

The square root of 6777836768 is about 82327.6185007194. The cubic root of 6777836768 is about 1892.4759472892.

The spelling of 6777836768 in words is "six billion, seven hundred seventy-seven million, eight hundred thirty-six thousand, seven hundred sixty-eight".