868469186 has 8 divisors (see below), whose sum is σ = 1402911804. Its totient is φ = 400831920.

The previous prime is 868469179. The next prime is 868469281. The reversal of 868469186 is 681964868.

868469186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 644398225 + 224070961 = 25385^2 + 14969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16701305 + ... + 16701356.

Almost surely, 2^868469186 is an apocalyptic number.

868469186 is a deficient number, since it is larger than the sum of its proper divisors (534442618).

868469186 is a wasteful number, since it uses less digits than its factorization.

868469186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33402676.

The product of its digits is 3981312, while the sum is 56.

The square root of 868469186 is about 29469.8012548439. The cubic root of 868469186 is about 954.0800277730.

The spelling of 868469186 in words is "eight hundred sixty-eight million, four hundred sixty-nine thousand, one hundred eighty-six".