6898855680 has 216 divisors, whose sum is σ = 25274117232. Its totient is φ = 1731428352.

The previous prime is 6898855627. The next prime is 6898855699. The reversal of 6898855680 is 865588986.

6898855680 is a `hidden beast` number, since 68 + 9 + 8 + 8 + 5 + 568 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178227 + ... + 213453.

It is an arithmetic number, because the mean of its divisors is an integer number (117009802).

Almost surely, 2^6898855680 is an apocalyptic number.

6898855680 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 6898855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12637058616).

6898855680 is an abundant number, since it is smaller than the sum of its proper divisors (18375261552).

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

6898855680 is a wasteful number, since it uses less digits than its factorization.

6898855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35271 (or 35254 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 63.

The square root of 6898855680 is about 83059.3503466046. The cubic root of 6898855680 is about 1903.6730130752.

The spelling of 6898855680 in words is "six billion, eight hundred ninety-eight million, eight hundred fifty-five thousand, six hundred eighty".