82319066 has 8 divisors (see below), whose sum is σ = 130742100. Its totient is φ = 38738368.

The previous prime is 82319063. The next prime is 82319129. The reversal of 82319066 is 66091328.

It can be written as a sum of positive squares in 2 ways, for example, as 81993025 + 326041 = 9055^2 + 571^2 .

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

It is a super-2 number, since 2×82319066² = 13552857254224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82319063) 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, 1210541 + ... + 1210608.

Almost surely, 2^82319066 is an apocalyptic number.

82319066 is a deficient number, since it is larger than the sum of its proper divisors (48423034).

82319066 is a wasteful number, since it uses less digits than its factorization.

82319066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421168.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82319066 is about 9072.9855064361. The cubic root of 82319066 is about 435.0109056146.

The spelling of 82319066 in words is "eighty-two million, three hundred nineteen thousand, sixty-six".