83616485 has 16 divisors (see below), whose sum is σ = 103420800. Its totient is φ = 64852416.

The previous prime is 83616451. The next prime is 83616499. The reversal of 83616485 is 58461638.

It is a de Polignac number, because none of the positive numbers 2^k-83616485 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65786 + ... + 67044.

It is an arithmetic number, because the mean of its divisors is an integer number (6463800).

Almost surely, 2^83616485 is an apocalyptic number.

It is an amenable number.

83616485 is a deficient number, since it is larger than the sum of its proper divisors (19804315).

83616485 is a wasteful number, since it uses less digits than its factorization.

83616485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 138240, while the sum is 41.

The square root of 83616485 is about 9144.2049955149. The cubic root of 83616485 is about 437.2843846390.

The spelling of 83616485 in words is "eighty-three million, six hundred sixteen thousand, four hundred eighty-five".