6777773992 has 16 divisors (see below), whose sum is σ = 13863628800. Its totient is φ = 3080806320.

The previous prime is 6777773969. The next prime is 6777774007. The reversal of 6777773992 is 2993777776.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38509992 + ... + 38510167.

It is an arithmetic number, because the mean of its divisors is an integer number (866476800).

Almost surely, 2^6777773992 is an apocalyptic number.

It is an amenable number.

6777773992 is an abundant number, since it is smaller than the sum of its proper divisors (7085854808).

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

6777773992 is a wasteful number, since it uses less digits than its factorization.

6777773992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77020176 (or 77020172 counting only the distinct ones).

The product of its digits is 49009212, while the sum is 64.

The square root of 6777773992 is about 82327.2372426040. The cubic root of 6777773992 is about 1892.4701045973.

The spelling of 6777773992 in words is "six billion, seven hundred seventy-seven million, seven hundred seventy-three thousand, nine hundred ninety-two".