82338889 has 4 divisors (see below), whose sum is σ = 82449280. Its totient is φ = 82228500.

The previous prime is 82338863. The next prime is 82338929. The reversal of 82338889 is 98883328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82338889 - 2⁵ = 82338857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82338829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54069 + ... + 55570.

It is an arithmetic number, because the mean of its divisors is an integer number (20612320).

Almost surely, 2^82338889 is an apocalyptic number.

It is an amenable number.

82338889 is a deficient number, since it is larger than the sum of its proper divisors (110391).

82338889 is a wasteful number, since it uses less digits than its factorization.

82338889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110390.

The product of its digits is 663552, while the sum is 49.

The square root of 82338889 is about 9074.0778594852. The cubic root of 82338889 is about 435.0458206897.

The spelling of 82338889 in words is "eighty-two million, three hundred thirty-eight thousand, eight hundred eighty-nine".