6894722880 has 168 divisors, whose sum is σ = 24746297472. Its totient is φ = 1758637056.

The previous prime is 6894722843. The next prime is 6894722881. The reversal of 6894722880 is 882274986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894722881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14197 + ... + 118283.

Almost surely, 2^6894722880 is an apocalyptic number.

6894722880 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 6894722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12373148736).

6894722880 is an abundant number, since it is smaller than the sum of its proper divisors (17851574592).

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

6894722880 is a wasteful number, since it uses less digits than its factorization.

6894722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104133 (or 104120 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 6894722880 is about 83034.4680238273. The cubic root of 6894722880 is about 1903.2928016440.

The spelling of 6894722880 in words is "six billion, eight hundred ninety-four million, seven hundred twenty-two thousand, eight hundred eighty".