6864170208 has 96 divisors (see below), whose sum is σ = 20613648384. Its totient is φ = 1959178752.

The previous prime is 6864170207. The next prime is 6864170227. The reversal of 6864170208 is 8020714686.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 6864170208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864170207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725766 + ... + 735162.

It is an arithmetic number, because the mean of its divisors is an integer number (214725504).

Almost surely, 2^6864170208 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 6864170208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10306824192).

6864170208 is an abundant number, since it is smaller than the sum of its proper divisors (13749478176).

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

6864170208 is a wasteful number, since it uses less digits than its factorization.

6864170208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504 (or 10496 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 6864170208 is about 82850.2879174237. The cubic root of 6864170208 is about 1900.4772769593.

The spelling of 6864170208 in words is "six billion, eight hundred sixty-four million, one hundred seventy thousand, two hundred eight".