82556833 has 2 divisors, whose sum is σ = 82556834. Its totient is φ = 82556832.

The previous prime is 82556819. The next prime is 82556839. The reversal of 82556833 is 33865528.

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., 73753744 + 8803089 = 8588^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 82556833 - 2⁵ = 82556801 is a prime.

It is not a weakly prime, because it can be changed into another prime (82556839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41278416 + 41278417.

It is an arithmetic number, because the mean of its divisors is an integer number (41278417).

Almost surely, 2^82556833 is an apocalyptic number.

It is an amenable number.

82556833 is a deficient number, since it is larger than the sum of its proper divisors (1).

82556833 is an equidigital number, since it uses as much as digits as its factorization.

82556833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 82556833 is about 9086.0790773578. The cubic root of 82556833 is about 435.4293255520.

The spelling of 82556833 in words is "eighty-two million, five hundred fifty-six thousand, eight hundred thirty-three".