868280218 has 16 divisors (see below), whose sum is σ = 1404587520. Its totient is φ = 400178736.

The previous prime is 868280201. The next prime is 868280227. The reversal of 868280218 is 812082868.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530 + ... + 41917.

It is an arithmetic number, because the mean of its divisors is an integer number (87786720).

Almost surely, 2^868280218 is an apocalyptic number.

868280218 is a deficient number, since it is larger than the sum of its proper divisors (536307302).

868280218 is a wasteful number, since it uses less digits than its factorization.

868280218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47181.

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 868280218 is about 29466.5949508931. The cubic root of 868280218 is about 954.0108241384.

The spelling of 868280218 in words is "eight hundred sixty-eight million, two hundred eighty thousand, two hundred eighteen".