83238871 has 4 divisors (see below), whose sum is σ = 83846592. Its totient is φ = 82631152.

The previous prime is 83238821. The next prime is 83238893. The reversal of 83238871 is 17883238.

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 83238871 - 2¹¹ = 83236823 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83238821) 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, 303655 + ... + 303928.

It is an arithmetic number, because the mean of its divisors is an integer number (20961648).

Almost surely, 2^83238871 is an apocalyptic number.

83238871 is a deficient number, since it is larger than the sum of its proper divisors (607721).

83238871 is a wasteful number, since it uses less digits than its factorization.

83238871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607720.

The product of its digits is 64512, while the sum is 40.

The square root of 83238871 is about 9123.5339096208. The cubic root of 83238871 is about 436.6251290701.

The spelling of 83238871 in words is "eighty-three million, two hundred thirty-eight thousand, eight hundred seventy-one".