85935539 has 4 divisors (see below), whose sum is σ = 86292360. Its totient is φ = 85578720.

The previous prime is 85935523. The next prime is 85935559. The reversal of 85935539 is 93553958.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85935539 - 2⁴ = 85935523 is a prime.

It is a super-3 number, since 3×85935539³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85935493 and 85935502.

It is not an unprimeable number, because it can be changed into a prime (85935559) 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, 178049 + ... + 178530.

It is an arithmetic number, because the mean of its divisors is an integer number (21573090).

Almost surely, 2^85935539 is an apocalyptic number.

85935539 is a deficient number, since it is larger than the sum of its proper divisors (356821).

85935539 is a wasteful number, since it uses less digits than its factorization.

85935539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356820.

The product of its digits is 729000, while the sum is 47.

The square root of 85935539 is about 9270.1423397918. The cubic root of 85935539 is about 441.2901852778.

The spelling of 85935539 in words is "eighty-five million, nine hundred thirty-five thousand, five hundred thirty-nine".