6779855364 has 24 divisors (see below), whose sum is σ = 16365168960. Its totient is φ = 2182022304.

The previous prime is 6779855359. The next prime is 6779855387. The reversal of 6779855364 is 4635589776.

It is a junction number, because it is equal to n+sod(n) for n = 6779855298 and 6779855307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9740824 + ... + 9741519.

It is an arithmetic number, because the mean of its divisors is an integer number (681882040).

Almost surely, 2^6779855364 is an apocalyptic number.

It is an amenable number.

6779855364 is an abundant number, since it is smaller than the sum of its proper divisors (9585313596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6779855364 is a wasteful number, since it uses less digits than its factorization.

6779855364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482379 (or 19482377 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The square root of 6779855364 is about 82339.8771191699. The cubic root of 6779855364 is about 1892.6638029591.

The spelling of 6779855364 in words is "six billion, seven hundred seventy-nine million, eight hundred fifty-five thousand, three hundred sixty-four".