6777718364 has 24 divisors (see below), whose sum is σ = 12160190448. Its totient is φ = 3303512960.

The previous prime is 6777718313. The next prime is 6777718379. The reversal of 6777718364 is 4638177776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193247 + ... + 225609.

It is an arithmetic number, because the mean of its divisors is an integer number (506674602).

Almost surely, 2^6777718364 is an apocalyptic number.

It is an amenable number.

6777718364 is a deficient number, since it is larger than the sum of its proper divisors (5382472084).

6777718364 is a wasteful number, since it uses less digits than its factorization.

6777718364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33685 (or 33683 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 56.

The square root of 6777718364 is about 82326.8993950337. The cubic root of 6777718364 is about 1892.4649271543.

The spelling of 6777718364 in words is "six billion, seven hundred seventy-seven million, seven hundred eighteen thousand, three hundred sixty-four".