83854573 has 24 divisors (see below), whose sum is σ = 99590400. Its totient is φ = 70334880.

The previous prime is 83854571. The next prime is 83854577. The reversal of 83854573 is 37545838.

It is not a de Polignac number, because 83854573 - 2¹ = 83854571 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 (83854571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80188 + ... + 81226.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600).

Almost surely, 2^83854573 is an apocalyptic number.

It is an amenable number.

83854573 is a deficient number, since it is larger than the sum of its proper divisors (15735827).

83854573 is a wasteful number, since it uses less digits than its factorization.

83854573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1102 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 83854573 is about 9157.2142598063. The cubic root of 83854573 is about 437.6990297691.

The spelling of 83854573 in words is "eighty-three million, eight hundred fifty-four thousand, five hundred seventy-three".