82328018 has 4 divisors (see below), whose sum is σ = 123492030. Its totient is φ = 41164008.

The previous prime is 82328011. The next prime is 82328021. The reversal of 82328018 is 81082328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78552769 + 3775249 = 8863^2 + 1943^2 .

It is not an unprimeable number, because it can be changed into a prime (82328011) 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 as a sum of consecutive naturals, namely, 20582003 + ... + 20582006.

Almost surely, 2^82328018 is an apocalyptic number.

82328018 is a deficient number, since it is larger than the sum of its proper divisors (41164012).

82328018 is a wasteful number, since it uses less digits than its factorization.

82328018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41164011.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 82328018 is about 9073.4788256765. The cubic root of 82328018 is about 435.0266738389.

The spelling of 82328018 in words is "eighty-two million, three hundred twenty-eight thousand, eighteen".