82319330 has 8 divisors (see below), whose sum is σ = 148174812. Its totient is φ = 32927728.

The previous prime is 82319261. The next prime is 82319333. The reversal of 82319330 is 3391328.

It is a Cunningham number, because it is equal to 9073²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 82319329 + 1 = 9073^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 82319293 and 82319302.

It is not an unprimeable number, because it can be changed into a prime (82319333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115957 + ... + 4115976.

Almost surely, 2^82319330 is an apocalyptic number.

82319330 is a deficient number, since it is larger than the sum of its proper divisors (65855482).

82319330 is a wasteful number, since it uses less digits than its factorization.

82319330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231940.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 82319330 is about 9073.0000551086. Note that the first 4 decimals coincide. The cubic root of 82319330 is about 435.0113706457.

The spelling of 82319330 in words is "eighty-two million, three hundred nineteen thousand, three hundred thirty".