85755841 has 2 divisors, whose sum is σ = 85755842. Its totient is φ = 85755840.

The previous prime is 85755823. The next prime is 85755853. The reversal of 85755841 is 14855758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82882816 + 2873025 = 9104^2 + 1695^2 .

It is a cyclic number.

It is not a de Polignac number, because 85755841 - 2¹¹ = 85753793 is a prime.

It is not a weakly prime, because it can be changed into another prime (85755821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42877920 + 42877921.

It is an arithmetic number, because the mean of its divisors is an integer number (42877921).

Almost surely, 2^85755841 is an apocalyptic number.

It is an amenable number.

85755841 is a deficient number, since it is larger than the sum of its proper divisors (1).

85755841 is an equidigital number, since it uses as much as digits as its factorization.

85755841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224000, while the sum is 43.

The square root of 85755841 is about 9260.4449677108. Note that the first 3 decimals coincide. The cubic root of 85755841 is about 440.9823797513.

The spelling of 85755841 in words is "eighty-five million, seven hundred fifty-five thousand, eight hundred forty-one".