84159043 has 4 divisors (see below), whose sum is σ = 85026760. Its totient is φ = 83291328.

The previous prime is 84159029. The next prime is 84159059. The reversal of 84159043 is 34095148.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84159043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84159143) 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, 433713 + ... + 433906.

It is an arithmetic number, because the mean of its divisors is an integer number (21256690).

Almost surely, 2^84159043 is an apocalyptic number.

84159043 is a deficient number, since it is larger than the sum of its proper divisors (867717).

84159043 is an equidigital number, since it uses as much as digits as its factorization.

84159043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867716.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 84159043 is about 9173.8237938168. The cubic root of 84159043 is about 438.2281412614.

The spelling of 84159043 in words is "eighty-four million, one hundred fifty-nine thousand, forty-three".