83985833 has 8 divisors (see below), whose sum is σ = 88578720. Its totient is φ = 79410240.

The previous prime is 83985821. The next prime is 83985877. The reversal of 83985833 is 33858938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83985833 - 2⁴ = 83985817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83985533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353 + ... + 14433.

It is an arithmetic number, because the mean of its divisors is an integer number (11072340).

Almost surely, 2^83985833 is an apocalyptic number.

It is an amenable number.

83985833 is a deficient number, since it is larger than the sum of its proper divisors (4592887).

83985833 is a wasteful number, since it uses less digits than its factorization.

83985833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8647.

The product of its digits is 622080, while the sum is 47.

The square root of 83985833 is about 9164.3784841090. The cubic root of 83985833 is about 437.9272917126.

The spelling of 83985833 in words is "eighty-three million, nine hundred eighty-five thousand, eight hundred thirty-three".