84809163 has 16 divisors (see below), whose sum is σ = 114587136. Its totient is φ = 55789920.

The previous prime is 84809147. The next prime is 84809167. The reversal of 84809163 is 36190848.

It is not a de Polignac number, because 84809163 - 2⁴ = 84809147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84809167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138045 + ... + 138657.

It is an arithmetic number, because the mean of its divisors is an integer number (7161696).

Almost surely, 2^84809163 is an apocalyptic number.

84809163 is a deficient number, since it is larger than the sum of its proper divisors (29777973).

84809163 is a wasteful number, since it uses less digits than its factorization.

84809163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 84809163 is about 9209.1890522456. The cubic root of 84809163 is about 439.3536705421.

The spelling of 84809163 in words is "eighty-four million, eight hundred nine thousand, one hundred sixty-three".