6776963906 has 24 divisors (see below), whose sum is σ = 10354633380. Its totient is φ = 3326501376.

The previous prime is 6776963903. The next prime is 6776963911. The reversal of 6776963906 is 6093696776.

It can be written as a sum of positive squares in 6 ways, for example, as 4743765625 + 2033198281 = 68875^2 + 45091^2 .

It is not an unprimeable number, because it can be changed into a prime (6776963903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481950 + ... + 2484678.

Almost surely, 2^6776963906 is an apocalyptic number.

6776963906 is a deficient number, since it is larger than the sum of its proper divisors (3577669474).

6776963906 is a wasteful number, since it uses less digits than its factorization.

6776963906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 59.

The square root of 6776963906 is about 82322.3171807014. The cubic root of 6776963906 is about 1892.3947049838.

The spelling of 6776963906 in words is "six billion, seven hundred seventy-six million, nine hundred sixty-three thousand, nine hundred six".