85858757 has 2 divisors, whose sum is σ = 85858758. Its totient is φ = 85858756.

The previous prime is 85858753. The next prime is 85858811. The reversal of 85858757 is 75785858.

It is a happy number.

85858757 is nontrivially palindromic in base 8.

It is a Cunningham number, because it is equal to 9266²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85858756 + 1 = 9266^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 85858757 - 2² = 85858753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85858699 and 85858708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85858753) 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, 42929378 + 42929379.

It is an arithmetic number, because the mean of its divisors is an integer number (42929379).

Almost surely, 2^85858757 is an apocalyptic number.

It is an amenable number.

85858757 is a deficient number, since it is larger than the sum of its proper divisors (1).

85858757 is an equidigital number, since it uses as much as digits as its factorization.

85858757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136000, while the sum is 53.

The square root of 85858757 is about 9266.0000539607. Note that the first 4 decimals coincide. The cubic root of 85858757 is about 441.1587175919.

The spelling of 85858757 in words is "eighty-five million, eight hundred fifty-eight thousand, seven hundred fifty-seven".