85855411 has 2 divisors, whose sum is σ = 85855412. Its totient is φ = 85855410.

The previous prime is 85855387. The next prime is 85855421. The reversal of 85855411 is 11455858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85855411 - 2¹¹ = 85853363 is a prime.

It is not a weakly prime, because it can be changed into another prime (85855421) 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, 42927705 + 42927706.

It is an arithmetic number, because the mean of its divisors is an integer number (42927706).

Almost surely, 2^85855411 is an apocalyptic number.

85855411 is a deficient number, since it is larger than the sum of its proper divisors (1).

85855411 is an equidigital number, since it uses as much as digits as its factorization.

85855411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32000, while the sum is 37.

The square root of 85855411 is about 9265.8194996449. The cubic root of 85855411 is about 441.1529867214.

The spelling of 85855411 in words is "eighty-five million, eight hundred fifty-five thousand, four hundred eleven".