85626617 has 2 divisors, whose sum is σ = 85626618. Its totient is φ = 85626616.

The previous prime is 85626587. The next prime is 85626623. The reversal of 85626617 is 71662658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61528336 + 24098281 = 7844^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 85626617 - 2⁶ = 85626553 is a prime.

It is not a weakly prime, because it can be changed into another prime (85626017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42813308 + 42813309.

It is an arithmetic number, because the mean of its divisors is an integer number (42813309).

Almost surely, 2^85626617 is an apocalyptic number.

It is an amenable number.

85626617 is a deficient number, since it is larger than the sum of its proper divisors (1).

85626617 is an equidigital number, since it uses as much as digits as its factorization.

85626617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 85626617 is about 9253.4651347482. The cubic root of 85626617 is about 440.7607654805.

The spelling of 85626617 in words is "eighty-five million, six hundred twenty-six thousand, six hundred seventeen".