85888849 has 2 divisors, whose sum is σ = 85888850. Its totient is φ = 85888848.

The previous prime is 85888823. The next prime is 85888867. The reversal of 85888849 is 94888858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 9641025 = 8732^2 + 3105^2 .

It is a cyclic number.

It is not a de Polignac number, because 85888849 - 2⁹ = 85888337 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85888793 and 85888802.

It is not a weakly prime, because it can be changed into another prime (85888819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42944424 + 42944425.

It is an arithmetic number, because the mean of its divisors is an integer number (42944425).

Almost surely, 2^85888849 is an apocalyptic number.

It is an amenable number.

85888849 is a deficient number, since it is larger than the sum of its proper divisors (1).

85888849 is an equidigital number, since it uses as much as digits as its factorization.

85888849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5898240, while the sum is 58.

The square root of 85888849 is about 9267.6236975829. The cubic root of 85888849 is about 441.2102510559.

Subtracting 85888849 from its reverse (94888858), we obtain a palindrome (9000009).

The spelling of 85888849 in words is "eighty-five million, eight hundred eighty-eight thousand, eight hundred forty-nine".