85628113 has 2 divisors, whose sum is σ = 85628114. Its totient is φ = 85628112.

The previous prime is 85628087. The next prime is 85628119. The reversal of 85628113 is 31182658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85507009 + 121104 = 9247^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 85628113 - 2⁹ = 85627601 is a prime.

It is not a weakly prime, because it can be changed into another prime (85628119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42814056 + 42814057.

It is an arithmetic number, because the mean of its divisors is an integer number (42814057).

Almost surely, 2^85628113 is an apocalyptic number.

It is an amenable number.

85628113 is a deficient number, since it is larger than the sum of its proper divisors (1).

85628113 is an equidigital number, since it uses as much as digits as its factorization.

85628113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 85628113 is about 9253.5459689786. The cubic root of 85628113 is about 440.7633323391.

The spelling of 85628113 in words is "eighty-five million, six hundred twenty-eight thousand, one hundred thirteen".