82487849 has 2 divisors, whose sum is σ = 82487850. Its totient is φ = 82487848.

The previous prime is 82487833. The next prime is 82487857. The reversal of 82487849 is 94878428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 32855824 = 7045^2 + 5732^2 .

It is a cyclic number.

It is not a de Polignac number, because 82487849 - 2⁴ = 82487833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82487797 and 82487806.

It is not a weakly prime, because it can be changed into another prime (82487809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41243924 + 41243925.

It is an arithmetic number, because the mean of its divisors is an integer number (41243925).

Almost surely, 2^82487849 is an apocalyptic number.

It is an amenable number.

82487849 is a deficient number, since it is larger than the sum of its proper divisors (1).

82487849 is an equidigital number, since it uses as much as digits as its factorization.

82487849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 50.

The square root of 82487849 is about 9082.2821471258. The cubic root of 82487849 is about 435.3080110352.

The spelling of 82487849 in words is "eighty-two million, four hundred eighty-seven thousand, eight hundred forty-nine".