82018147 has 2 divisors, whose sum is σ = 82018148. Its totient is φ = 82018146.

The previous prime is 82018127. The next prime is 82018151. The reversal of 82018147 is 74181028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82018147 - 2⁷ = 82018019 is a prime.

It is not a weakly prime, because it can be changed into another prime (82018127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41009073 + 41009074.

It is an arithmetic number, because the mean of its divisors is an integer number (41009074).

Almost surely, 2^82018147 is an apocalyptic number.

82018147 is a deficient number, since it is larger than the sum of its proper divisors (1).

82018147 is an equidigital number, since it uses as much as digits as its factorization.

82018147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 82018147 is about 9056.3870831585. The cubic root of 82018147 is about 434.4801947112.

The spelling of 82018147 in words is "eighty-two million, eighteen thousand, one hundred forty-seven".