82486259173 has 2 divisors, whose sum is σ = 82486259174. Its totient is φ = 82486259172.

The previous prime is 82486259161. The next prime is 82486259239. The reversal of 82486259173 is 37195268428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45029688804 + 37456570369 = 212202^2 + 193537^2 .

It is a cyclic number.

It is not a de Polignac number, because 82486259173 - 2³³ = 73896324581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82486259143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41243129586 + 41243129587.

It is an arithmetic number, because the mean of its divisors is an integer number (41243129587).

Almost surely, 2^82486259173 is an apocalyptic number.

It is an amenable number.

82486259173 is a deficient number, since it is larger than the sum of its proper divisors (1).

82486259173 is an equidigital number, since it uses as much as digits as its factorization.

82486259173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The spelling of 82486259173 in words is "eighty-two billion, four hundred eighty-six million, two hundred fifty-nine thousand, one hundred seventy-three".