82487833 has 2 divisors, whose sum is σ = 82487834. Its totient is φ = 82487832.

The previous prime is 82487819. The next prime is 82487849. The reversal of 82487833 is 33878428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 5890329 = 8752^2 + 2427^2 .

It is a cyclic number.

It is not a de Polignac number, because 82487833 - 2¹³ = 82479641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82487833.

It is not a weakly prime, because it can be changed into another prime (82487863) 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, 41243916 + 41243917.

It is an arithmetic number, because the mean of its divisors is an integer number (41243917).

Almost surely, 2^82487833 is an apocalyptic number.

It is an amenable number.

82487833 is a deficient number, since it is larger than the sum of its proper divisors (1).

82487833 is an equidigital number, since it uses as much as digits as its factorization.

82487833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 82487833 is about 9082.2812662899. The cubic root of 82487833 is about 435.3079828899.

The spelling of 82487833 in words is "eighty-two million, four hundred eighty-seven thousand, eight hundred thirty-three".