6865187320 has 32 divisors (see below), whose sum is σ = 15463562400. Its totient is φ = 2743072128.

The previous prime is 6865187297. The next prime is 6865187321. The reversal of 6865187320 is 237815686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865187321) 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 7 ways as a sum of consecutive naturals, for example, 56619 + ... + 130138.

It is an arithmetic number, because the mean of its divisors is an integer number (483236325).

Almost surely, 2^6865187320 is an apocalyptic number.

It is an amenable number.

6865187320 is an abundant number, since it is smaller than the sum of its proper divisors (8598375080).

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

6865187320 is a wasteful number, since it uses less digits than its factorization.

6865187320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187687 (or 187683 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 6865187320 is about 82856.4259427113. The cubic root of 6865187320 is about 1900.5711413167.

The spelling of 6865187320 in words is "six billion, eight hundred sixty-five million, one hundred eighty-seven thousand, three hundred twenty".