82447333 has 2 divisors, whose sum is σ = 82447334. Its totient is φ = 82447332.

The previous prime is 82447307. The next prime is 82447357. The reversal of 82447333 is 33374428.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82410084 + 37249 = 9078^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 82447333 - 2⁵ = 82447301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82447933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41223666 + 41223667.

It is an arithmetic number, because the mean of its divisors is an integer number (41223667).

Almost surely, 2^82447333 is an apocalyptic number.

It is an amenable number.

82447333 is a deficient number, since it is larger than the sum of its proper divisors (1).

82447333 is an equidigital number, since it uses as much as digits as its factorization.

82447333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 82447333 is about 9080.0513765066. The cubic root of 82447333 is about 435.2367285049.

The spelling of 82447333 in words is "eighty-two million, four hundred forty-seven thousand, three hundred thirty-three".