84144113 has 4 divisors (see below), whose sum is σ = 84471780. Its totient is φ = 83816448.

The previous prime is 84144091. The next prime is 84144139. The reversal of 84144113 is 31144148.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83484769 + 659344 = 9137^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 84144113 - 2¹⁸ = 83881969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84144173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163448 + ... + 163961.

It is an arithmetic number, because the mean of its divisors is an integer number (21117945).

Almost surely, 2^84144113 is an apocalyptic number.

It is an amenable number.

84144113 is a deficient number, since it is larger than the sum of its proper divisors (327667).

84144113 is a wasteful number, since it uses less digits than its factorization.

84144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327666.

The product of its digits is 1536, while the sum is 26.

The square root of 84144113 is about 9173.0100294287. The cubic root of 84144113 is about 438.2022255157.

The spelling of 84144113 in words is "eighty-four million, one hundred forty-four thousand, one hundred thirteen".