6779808000 has 1152 divisors, whose sum is σ = 30610944000. Its totient is φ = 1443225600.

The previous prime is 6779807987. The next prime is 6779808023. The reversal of 6779808000 is 8089776.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 114911971 + ... + 114912029.

It is an arithmetic number, because the mean of its divisors is an integer number (26572000).

Almost surely, 2^6779808000 is an apocalyptic number.

6779808000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6779808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15305472000).

6779808000 is an abundant number, since it is smaller than the sum of its proper divisors (23831136000).

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

6779808000 is a wasteful number, since it uses less digits than its factorization.

6779808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 6779808000 is about 82339.5895058993. The cubic root of 6779808000 is about 1892.6593955722.

The spelling of 6779808000 in words is "six billion, seven hundred seventy-nine million, eight hundred eight thousand".