6709663777 has 8 divisors (see below), whose sum is σ = 6943921920. Its totient is φ = 6476519280.

The previous prime is 6709663759. The next prime is 6709663783. The reversal of 6709663777 is 7773669076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6709663777 - 2²⁷ = 6575446049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6709663747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266143 + ... + 290260.

It is an arithmetic number, because the mean of its divisors is an integer number (867990240).

Almost surely, 2^6709663777 is an apocalyptic number.

It is an amenable number.

6709663777 is a deficient number, since it is larger than the sum of its proper divisors (234258143).

6709663777 is a wasteful number, since it uses less digits than its factorization.

6709663777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556823.

The product of its (nonzero) digits is 14002632, while the sum is 58.

The square root of 6709663777 is about 81912.5373615053. The cubic root of 6709663777 is about 1886.1095730843.

The spelling of 6709663777 in words is "six billion, seven hundred nine million, six hundred sixty-three thousand, seven hundred seventy-seven".