868384187 has 8 divisors (see below), whose sum is σ = 951504192. Its totient is φ = 785960200.

The previous prime is 868384169. The next prime is 868384193. The reversal of 868384187 is 781483868.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 868384187 - 2²⁴ = 851606971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868384087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171389 + ... + 176382.

It is an arithmetic number, because the mean of its divisors is an integer number (118938024).

Almost surely, 2^868384187 is an apocalyptic number.

868384187 is a deficient number, since it is larger than the sum of its proper divisors (83120005).

868384187 is a wasteful number, since it uses less digits than its factorization.

868384187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348009.

The product of its digits is 2064384, while the sum is 53.

The square root of 868384187 is about 29468.3590822428. The cubic root of 868384187 is about 954.0489007834.

The spelling of 868384187 in words is "eight hundred sixty-eight million, three hundred eighty-four thousand, one hundred eighty-seven".