6751788780 has 96 divisors (see below), whose sum is σ = 20772299520. Its totient is φ = 1624999680.

The previous prime is 6751788779. The next prime is 6751788811. The reversal of 6751788780 is 878871576.

It is a self number, because there is not a number n which added to its sum of digits gives 6751788780.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54942 + ... + 128538.

It is an arithmetic number, because the mean of its divisors is an integer number (216378120).

Almost surely, 2^6751788780 is an apocalyptic number.

6751788780 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 6751788780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10386149760).

6751788780 is an abundant number, since it is smaller than the sum of its proper divisors (14020510740).

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

6751788780 is a wasteful number, since it uses less digits than its factorization.

6751788780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73759 (or 73757 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 57.

The square root of 6751788780 is about 82169.2690730543. The cubic root of 6751788780 is about 1890.0485024366.

The spelling of 6751788780 in words is "six billion, seven hundred fifty-one million, seven hundred eighty-eight thousand, seven hundred eighty".