868004786 has 8 divisors (see below), whose sum is σ = 1420371504. Its totient is φ = 394547620.

The previous prime is 868004783. The next prime is 868004803. The reversal of 868004786 is 687400868.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 868004786.

It is not an unprimeable number, because it can be changed into a prime (868004783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19727360 + ... + 19727403.

It is an arithmetic number, because the mean of its divisors is an integer number (177546438).

Almost surely, 2^868004786 is an apocalyptic number.

868004786 is a deficient number, since it is larger than the sum of its proper divisors (552366718).

868004786 is a wasteful number, since it uses less digits than its factorization.

868004786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39454776.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 868004786 is about 29461.9209489130. The cubic root of 868004786 is about 953.9099377759.

The spelling of 868004786 in words is "eight hundred sixty-eight million, four thousand, seven hundred eighty-six".