82228912589 has 2 divisors, whose sum is σ = 82228912590. Its totient is φ = 82228912588.

The previous prime is 82228912567. The next prime is 82228912607. The reversal of 82228912589 is 98521982228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58240168900 + 23988743689 = 241330^2 + 154883^2 .

It is a cyclic number.

It is not a de Polignac number, because 82228912589 - 2³⁶ = 13509435853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82228912559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41114456294 + 41114456295.

It is an arithmetic number, because the mean of its divisors is an integer number (41114456295).

Almost surely, 2^82228912589 is an apocalyptic number.

It is an amenable number.

82228912589 is a deficient number, since it is larger than the sum of its proper divisors (1).

82228912589 is an equidigital number, since it uses as much as digits as its factorization.

82228912589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 56.

The spelling of 82228912589 in words is "eighty-two billion, two hundred twenty-eight million, nine hundred twelve thousand, five hundred eighty-nine".