6788780 has 48 divisors (see below), whose sum is σ = 15494976. Its totient is φ = 2488320.

The previous prime is 6788777. The next prime is 6788801. The reversal of 6788780 is 878876.

It is a happy number.

It is an unprimeable number.

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, 13697 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (322812).

Almost surely, 2^6788780 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 6788780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747488).

6788780 is an abundant number, since it is smaller than the sum of its proper divisors (8706196).

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

6788780 is a wasteful number, since it uses less digits than its factorization.

6788780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 6788780 is about 2605.5287371280. The cubic root of 6788780 is about 189.3493905688.

The spelling of 6788780 in words is "six million, seven hundred eighty-eight thousand, seven hundred eighty".