868518404 has 24 divisors (see below), whose sum is σ = 1638318528. Its totient is φ = 400488480.

The previous prime is 868518401. The next prime is 868518421. The reversal of 868518404 is 404815868.

It is a super-3 number, since 3×868518404³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (868518401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54689 + ... + 68759.

It is an arithmetic number, because the mean of its divisors is an integer number (68263272).

Almost surely, 2^868518404 is an apocalyptic number.

It is an amenable number.

868518404 is a deficient number, since it is larger than the sum of its proper divisors (769800124).

868518404 is a wasteful number, since it uses less digits than its factorization.

868518404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275 (or 15273 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 868518404 is about 29470.6363012406. The cubic root of 868518404 is about 954.0980506822.

The spelling of 868518404 in words is "eight hundred sixty-eight million, five hundred eighteen thousand, four hundred four".