6780796380 has 144 divisors (see below), whose sum is σ = 21765263520. Its totient is φ = 1704001536.

The previous prime is 6780796367. The next prime is 6780796391. The reversal of 6780796380 is 836970876.

It is a super-2 number, since 2×6780796380² = 91958399094042208800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654924 + ... + 665196.

Almost surely, 2^6780796380 is an apocalyptic number.

6780796380 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 6780796380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10882631760).

6780796380 is an abundant number, since it is smaller than the sum of its proper divisors (14984467140).

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

6780796380 is a wasteful number, since it uses less digits than its factorization.

6780796380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500 (or 10495 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 6780796380 is about 82345.5911388096. The cubic root of 6780796380 is about 1892.7513635550.

The spelling of 6780796380 in words is "six billion, seven hundred eighty million, seven hundred ninety-six thousand, three hundred eighty".