6775786992 has 160 divisors (see below), whose sum is σ = 19911225600. Its totient is φ = 1968316416.

The previous prime is 6775786987. The next prime is 6775787009. The reversal of 6775786992 is 2996875776.

It is a super-2 number, since 2×6775786992² = 91822578721912816128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4184359 + ... + 4185977.

It is an arithmetic number, because the mean of its divisors is an integer number (124445160).

Almost surely, 2^6775786992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6775786992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9955612800).

6775786992 is an abundant number, since it is smaller than the sum of its proper divisors (13135438608).

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

6775786992 is a wasteful number, since it uses less digits than its factorization.

6775786992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2009 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 66.

The square root of 6775786992 is about 82315.1686628898. The cubic root of 6775786992 is about 1892.2851517584.

The spelling of 6775786992 in words is "six billion, seven hundred seventy-five million, seven hundred eighty-six thousand, nine hundred ninety-two".