83542873 has 4 divisors (see below), whose sum is σ = 83624320. Its totient is φ = 83461428.

The previous prime is 83542847. The next prime is 83542883. The reversal of 83542873 is 37824538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37824538 = 2 ⋅18912269.

It is a cyclic number.

It is not a de Polignac number, because 83542873 - 2⁵ = 83542841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83542883) 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, 39165 + ... + 41242.

It is an arithmetic number, because the mean of its divisors is an integer number (20906080).

Almost surely, 2^83542873 is an apocalyptic number.

It is an amenable number.

83542873 is a deficient number, since it is larger than the sum of its proper divisors (81447).

83542873 is a wasteful number, since it uses less digits than its factorization.

83542873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81446.

The product of its digits is 161280, while the sum is 40.

The square root of 83542873 is about 9140.1790463863. The cubic root of 83542873 is about 437.1560254654.

The spelling of 83542873 in words is "eighty-three million, five hundred forty-two thousand, eight hundred seventy-three".