6567898788 has 72 divisors (see below), whose sum is σ = 18212856480. Its totient is φ = 1979132160.

The previous prime is 6567898787. The next prime is 6567898789. The reversal of 6567898788 is 8878987656.

It is an interprime number because it is at equal distance from previous prime (6567898787) and next prime (6567898789).

It is not an unprimeable number, because it can be changed into a prime (6567898787) 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, 24556 + ... + 117212.

It is an arithmetic number, because the mean of its divisors is an integer number (252956340).

Almost surely, 2^6567898788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6567898788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9106428240).

6567898788 is an abundant number, since it is smaller than the sum of its proper divisors (11644957692).

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

6567898788 is a wasteful number, since it uses less digits than its factorization.

6567898788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92857 (or 92852 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 72.

The square root of 6567898788 is about 81042.5739225995. The cubic root of 6567898788 is about 1872.7313635009.

The spelling of 6567898788 in words is "six billion, five hundred sixty-seven million, eight hundred ninety-eight thousand, seven hundred eighty-eight".