80285867 has 2 divisors, whose sum is σ = 80285868. Its totient is φ = 80285866.

The previous prime is 80285857. The next prime is 80285873. The reversal of 80285867 is 76858208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80285867 - 2¹² = 80281771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80285827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142933 + 40142934.

It is an arithmetic number, because the mean of its divisors is an integer number (40142934).

Almost surely, 2^80285867 is an apocalyptic number.

80285867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80285867 is an equidigital number, since it uses as much as digits as its factorization.

80285867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 80285867 is about 8960.2381106754. The cubic root of 80285867 is about 431.3995627146.

The spelling of 80285867 in words is "eighty million, two hundred eighty-five thousand, eight hundred sixty-seven".