6780026880 has 612 divisors, whose sum is σ = 27194611080. Its totient is φ = 1557135360.

The previous prime is 6780026863. The next prime is 6780026881. The reversal of 6780026880 is 886200876.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780026881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 356843511 + ... + 356843529.

Almost surely, 2^6780026880 is an apocalyptic number.

6780026880 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 6780026880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13597305540).

6780026880 is an abundant number, since it is smaller than the sum of its proper divisors (20414584200).

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

6780026880 is a wasteful number, since it uses less digits than its factorization.

6780026880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 6780026880 is about 82340.9186249461. The cubic root of 6780026880 is about 1892.6797629548.

The spelling of 6780026880 in words is "six billion, seven hundred eighty million, twenty-six thousand, eight hundred eighty".