863427163 has 4 divisors (see below), whose sum is σ = 867810240. Its totient is φ = 859044088.

The previous prime is 863427139. The next prime is 863427193. The reversal of 863427163 is 361724368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 863427163 - 2¹³ = 863418971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863427113) 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 3 ways as a sum of consecutive naturals, for example, 2191243 + ... + 2191636.

It is an arithmetic number, because the mean of its divisors is an integer number (216952560).

Almost surely, 2^863427163 is an apocalyptic number.

863427163 is a deficient number, since it is larger than the sum of its proper divisors (4383077).

863427163 is a wasteful number, since it uses less digits than its factorization.

863427163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383076.

The product of its digits is 145152, while the sum is 40.

The square root of 863427163 is about 29384.1311425062. The cubic root of 863427163 is about 952.2300934281.

The spelling of 863427163 in words is "eight hundred sixty-three million, four hundred twenty-seven thousand, one hundred sixty-three".