82002727889 has 2 divisors, whose sum is σ = 82002727890. Its totient is φ = 82002727888.

The previous prime is 82002727861. The next prime is 82002727903. The reversal of 82002727889 is 98872720028.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79279975489 + 2722752400 = 281567^2 + 52180^2 .

It is a cyclic number.

It is not a de Polignac number, because 82002727889 - 2¹² = 82002723793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82002727889.

It is not a weakly prime, because it can be changed into another prime (82002727789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41001363944 + 41001363945.

It is an arithmetic number, because the mean of its divisors is an integer number (41001363945).

Almost surely, 2^82002727889 is an apocalyptic number.

It is an amenable number.

82002727889 is a deficient number, since it is larger than the sum of its proper divisors (1).

82002727889 is an equidigital number, since it uses as much as digits as its factorization.

82002727889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 82002727889 in words is "eighty-two billion, two million, seven hundred twenty-seven thousand, eight hundred eighty-nine".