83283785 has 16 divisors (see below), whose sum is σ = 108020304. Its totient is φ = 61277952.

The previous prime is 83283779. The next prime is 83283841. The reversal of 83283785 is 58738238.

It can be written as a sum of positive squares in 8 ways, for example, as 182329 + 83101456 = 427^2 + 9116^2 .

It is a cyclic number.

It is not a de Polignac number, because 83283785 - 2⁴ = 83283769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16859 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (6751269).

Almost surely, 2^83283785 is an apocalyptic number.

It is an amenable number.

83283785 is a deficient number, since it is larger than the sum of its proper divisors (24736519).

83283785 is a wasteful number, since it uses less digits than its factorization.

83283785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684.

The product of its digits is 322560, while the sum is 44.

The square root of 83283785 is about 9125.9950142437. The cubic root of 83283785 is about 436.7036462930.

The spelling of 83283785 in words is "eighty-three million, two hundred eighty-three thousand, seven hundred eighty-five".