6779105512 has 16 divisors (see below), whose sum is σ = 12791785860. Its totient is φ = 3367962624.

The previous prime is 6779105483. The next prime is 6779105519. The reversal of 6779105512 is 2155019776.

It can be written as a sum of positive squares in 2 ways, for example, as 6270422596 + 508682916 = 79186^2 + 22554^2 .

It is not an unprimeable number, because it can be changed into a prime (6779105519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697433 + ... + 2699944.

Almost surely, 2^6779105512 is an apocalyptic number.

It is an amenable number.

6779105512 is a deficient number, since it is larger than the sum of its proper divisors (6012680348).

6779105512 is a wasteful number, since it uses less digits than its factorization.

6779105512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397540 (or 5397536 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 43.

The square root of 6779105512 is about 82335.3235980767. The cubic root of 6779105512 is about 1892.5940241812.

The spelling of 6779105512 in words is "six billion, seven hundred seventy-nine million, one hundred five thousand, five hundred twelve".