82408211 has 2 divisors, whose sum is σ = 82408212. Its totient is φ = 82408210.

The previous prime is 82408181. The next prime is 82408219. The reversal of 82408211 is 11280428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82408211 - 2²² = 78213907 is a prime.

It is a super-2 number, since 2×82408211² = 13582226480441042, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (82408219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41204105 + 41204106.

It is an arithmetic number, because the mean of its divisors is an integer number (41204106).

Almost surely, 2^82408211 is an apocalyptic number.

82408211 is a deficient number, since it is larger than the sum of its proper divisors (1).

82408211 is an equidigital number, since it uses as much as digits as its factorization.

82408211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 82408211 is about 9077.8968379245. The cubic root of 82408211 is about 435.1678763679.

Adding to 82408211 its reverse (11280428), we get a palindrome (93688639).

The spelling of 82408211 in words is "eighty-two million, four hundred eight thousand, two hundred eleven".