84813111 has 12 divisors (see below), whose sum is σ = 122741320. Its totient is φ = 56434320.

The previous prime is 84813109. The next prime is 84813163. The reversal of 84813111 is 11131848.

It is not a de Polignac number, because 84813111 - 2¹ = 84813109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84813101) 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 11 ways as a sum of consecutive naturals, for example, 3841 + ... + 13578.

Almost surely, 2^84813111 is an apocalyptic number.

84813111 is a deficient number, since it is larger than the sum of its proper divisors (37928209).

84813111 is a wasteful number, since it uses less digits than its factorization.

84813111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17966 (or 17963 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 84813111 is about 9209.4034008724. The cubic root of 84813111 is about 439.3604879713.

Adding to 84813111 its reverse (11131848), we get a palindrome (95944959).

The spelling of 84813111 in words is "eighty-four million, eight hundred thirteen thousand, one hundred eleven".