84875543 has 18 divisors (see below), whose sum is σ = 94921944. Its totient is φ = 75733504.

The previous prime is 84875519. The next prime is 84875563. The reversal of 84875543 is 34557848.

It is not a de Polignac number, because 84875543 - 2¹² = 84871447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84875494 and 84875503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84875513) 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 17 ways as a sum of consecutive naturals, for example, 751055 + ... + 751167.

Almost surely, 2^84875543 is an apocalyptic number.

84875543 is a deficient number, since it is larger than the sum of its proper divisors (10046401).

84875543 is a wasteful number, since it uses less digits than its factorization.

84875543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 153 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 84875543 is about 9212.7923562837. The cubic root of 84875543 is about 439.4682677939.

The spelling of 84875543 in words is "eighty-four million, eight hundred seventy-five thousand, five hundred forty-three".