8378163 has 12 divisors (see below), whose sum is σ = 12383800. Its totient is φ = 5455296.

The previous prime is 8378147. The next prime is 8378171. The reversal of 8378163 is 3618738.

It is not a de Polignac number, because 8378163 - 2⁴ = 8378147 is a prime.

It is a Duffinian number.

8378163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8378863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10438 + ... + 11211.

Almost surely, 2^8378163 is an apocalyptic number.

8378163 is a deficient number, since it is larger than the sum of its proper divisors (4005637).

8378163 is a wasteful number, since it uses less digits than its factorization.

8378163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21698 (or 21695 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8378163 is about 2894.5056572755. The cubic root of 8378163 is about 203.1029673302.

The spelling of 8378163 in words is "eight million, three hundred seventy-eight thousand, one hundred sixty-three".