83485559 has 4 divisors (see below), whose sum is σ = 83722416. Its totient is φ = 83248704.

The previous prime is 83485543. The next prime is 83485603. The reversal of 83485559 is 95558438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95558438 = 2 ⋅47779219.

It is a cyclic number.

It is not a de Polignac number, because 83485559 - 2⁴ = 83485543 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 (83485529) 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, 117899 + ... + 118604.

It is an arithmetic number, because the mean of its divisors is an integer number (20930604).

Almost surely, 2^83485559 is an apocalyptic number.

83485559 is a deficient number, since it is larger than the sum of its proper divisors (236857).

83485559 is a wasteful number, since it uses less digits than its factorization.

83485559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236856.

The product of its digits is 864000, while the sum is 47.

The square root of 83485559 is about 9137.0432307175. The cubic root of 83485559 is about 437.0560333241.

The spelling of 83485559 in words is "eighty-three million, four hundred eighty-five thousand, five hundred fifty-nine".