82402767289 has 2 divisors, whose sum is σ = 82402767290. Its totient is φ = 82402767288.

The previous prime is 82402767281. The next prime is 82402767331. The reversal of 82402767289 is 98276720428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69956018064 + 12446749225 = 264492^2 + 111565^2 .

It is a cyclic number.

It is not a de Polignac number, because 82402767289 - 2³ = 82402767281 is a prime.

It is not a weakly prime, because it can be changed into another prime (82402767281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41201383644 + 41201383645.

It is an arithmetic number, because the mean of its divisors is an integer number (41201383645).

Almost surely, 2^82402767289 is an apocalyptic number.

It is an amenable number.

82402767289 is a deficient number, since it is larger than the sum of its proper divisors (1).

82402767289 is an equidigital number, since it uses as much as digits as its factorization.

82402767289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 82402767289 in words is "eighty-two billion, four hundred two million, seven hundred sixty-seven thousand, two hundred eighty-nine".