82328459 has 4 divisors (see below), whose sum is σ = 83177304. Its totient is φ = 81479616.

The previous prime is 82328437. The next prime is 82328479. The reversal of 82328459 is 95482328.

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 82328459 - 2²⁴ = 65551243 is a prime.

It is a super-2 number, since 2×82328459² = 13555950322629362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82328429) 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, 424277 + ... + 424470.

It is an arithmetic number, because the mean of its divisors is an integer number (20794326).

Almost surely, 2^82328459 is an apocalyptic number.

82328459 is a deficient number, since it is larger than the sum of its proper divisors (848845).

82328459 is an equidigital number, since it uses as much as digits as its factorization.

82328459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848844.

The product of its digits is 138240, while the sum is 41.

The square root of 82328459 is about 9073.5031272381. The cubic root of 82328459 is about 435.0274505952.

The spelling of 82328459 in words is "eighty-two million, three hundred twenty-eight thousand, four hundred fifty-nine".