82987233 has 24 divisors (see below), whose sum is σ = 129467520. Its totient is φ = 47144160.

The previous prime is 82987207. The next prime is 82987271. The reversal of 82987233 is 33278928.

It is not a de Polignac number, because 82987233 - 2¹⁰ = 82986209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82987273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25048 + ... + 28166.

It is an arithmetic number, because the mean of its divisors is an integer number (5394480).

Almost surely, 2^82987233 is an apocalyptic number.

It is an amenable number.

82987233 is a deficient number, since it is larger than the sum of its proper divisors (46480287).

82987233 is a wasteful number, since it uses less digits than its factorization.

82987233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3310 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 82987233 is about 9109.7328720441. The cubic root of 82987233 is about 436.1847003134.

The spelling of 82987233 in words is "eighty-two million, nine hundred eighty-seven thousand, two hundred thirty-three".