6865115850 has 192 divisors, whose sum is σ = 20008719360. Its totient is φ = 1728000000.

The previous prime is 6865115821. The next prime is 6865115867. The reversal of 6865115850 is 585115686.

6865115850 is a `hidden beast` number, since 6 + 8 + 65 + 1 + 1 + 585 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6865115796 and 6865115805.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1713850 + ... + 1717850.

It is an arithmetic number, because the mean of its divisors is an integer number (104212080).

Almost surely, 2^6865115850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6865115850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10004359680).

6865115850 is an abundant number, since it is smaller than the sum of its proper divisors (13143603510).

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

6865115850 is a wasteful number, since it uses less digits than its factorization.

6865115850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 6865115850 is about 82855.9946533744. The cubic root of 6865115850 is about 1900.5645459982.

The spelling of 6865115850 in words is "six billion, eight hundred sixty-five million, one hundred fifteen thousand, eight hundred fifty".