868723318 has 32 divisors (see below), whose sum is σ = 1352254176. Its totient is φ = 418349568.

The previous prime is 868723283. The next prime is 868723319. The reversal of 868723318 is 813327868.

Its product of digits (387072) is a multiple of the sum of its prime divisors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868723319) 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, 2577646 + ... + 2577982.

It is an arithmetic number, because the mean of its divisors is an integer number (42257943).

Almost surely, 2^868723318 is an apocalyptic number.

868723318 is a deficient number, since it is larger than the sum of its proper divisors (483530858).

868723318 is a wasteful number, since it uses less digits than its factorization.

868723318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its digits is 387072, while the sum is 46.

The square root of 868723318 is about 29474.1126753631. The cubic root of 868723318 is about 954.1730798634.

The spelling of 868723318 in words is "eight hundred sixty-eight million, seven hundred twenty-three thousand, three hundred eighteen".