83708231 has 4 divisors (see below), whose sum is σ = 83734992. Its totient is φ = 83681472.

The previous prime is 83708173. The next prime is 83708237. The reversal of 83708231 is 13280738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13280738 = 2 ⋅6640369.

It is a cyclic number.

It is not a de Polignac number, because 83708231 - 2²⁶ = 16599367 is a prime.

It is a super-2 number, since 2×83708231² = 14014135874298722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83708237) 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, 7955 + ... + 15188.

It is an arithmetic number, because the mean of its divisors is an integer number (20933748).

Almost surely, 2^83708231 is an apocalyptic number.

83708231 is a deficient number, since it is larger than the sum of its proper divisors (26761).

83708231 is a wasteful number, since it uses less digits than its factorization.

83708231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26760.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 83708231 is about 9149.2202399986. The cubic root of 83708231 is about 437.4442591298. Note that the first 3 decimals are identical.

Adding to 83708231 its reverse (13280738), we get a palindrome (96988969).

The spelling of 83708231 in words is "eighty-three million, seven hundred eight thousand, two hundred thirty-one".