85558927 has 2 divisors, whose sum is σ = 85558928. Its totient is φ = 85558926.

The previous prime is 85558901. The next prime is 85558931. The reversal of 85558927 is 72985558.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85558927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85558997) 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, 42779463 + 42779464.

It is an arithmetic number, because the mean of its divisors is an integer number (42779464).

Almost surely, 2^85558927 is an apocalyptic number.

85558927 is a deficient number, since it is larger than the sum of its proper divisors (1).

85558927 is an equidigital number, since it uses as much as digits as its factorization.

85558927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 49.

The square root of 85558927 is about 9249.8068628485. The cubic root of 85558927 is about 440.6445906954.

The spelling of 85558927 in words is "eighty-five million, five hundred fifty-eight thousand, nine hundred twenty-seven".