6779541776 has 80 divisors (see below), whose sum is σ = 15650331648. Its totient is φ = 2783808000.

The previous prime is 6779541773. The next prime is 6779541793. The reversal of 6779541776 is 6771459776.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6779541773) 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 15 ways as a sum of consecutive naturals, for example, 341006 + ... + 360338.

Almost surely, 2^6779541776 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 6779541776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7825165824).

6779541776 is an abundant number, since it is smaller than the sum of its proper divisors (8870789872).

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

6779541776 is a wasteful number, since it uses less digits than its factorization.

6779541776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19480 (or 19474 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 59.

The square root of 6779541776 is about 82337.9728679301. The cubic root of 6779541776 is about 1892.6346221100.

The spelling of 6779541776 in words is "six billion, seven hundred seventy-nine million, five hundred forty-one thousand, seven hundred seventy-six".