82183979 has 2 divisors, whose sum is σ = 82183980. Its totient is φ = 82183978.

The previous prime is 82183951. The next prime is 82184017. The reversal of 82183979 is 97938128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82183979 - 2²⁰ = 81135403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82183909) 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, 41091989 + 41091990.

It is an arithmetic number, because the mean of its divisors is an integer number (41091990).

Almost surely, 2^82183979 is an apocalyptic number.

82183979 is a deficient number, since it is larger than the sum of its proper divisors (1).

82183979 is an equidigital number, since it uses as much as digits as its factorization.

82183979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The square root of 82183979 is about 9065.5379873453. The cubic root of 82183979 is about 434.7728218801.

The spelling of 82183979 in words is "eighty-two million, one hundred eighty-three thousand, nine hundred seventy-nine".