85709027 has 2 divisors, whose sum is σ = 85709028. Its totient is φ = 85709026.

The previous prime is 85709011. The next prime is 85709051. The reversal of 85709027 is 72090758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85709027 - 2⁴ = 85709011 is a prime.

It is a Chen prime.

It is equal to p_4982519 and since 85709027 and 4982519 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (85709527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42854513 + 42854514.

It is an arithmetic number, because the mean of its divisors is an integer number (42854514).

Almost surely, 2^85709027 is an apocalyptic number.

85709027 is a deficient number, since it is larger than the sum of its proper divisors (1).

85709027 is an equidigital number, since it uses as much as digits as its factorization.

85709027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 85709027 is about 9257.9169903386. The cubic root of 85709027 is about 440.9021212462.

The spelling of 85709027 in words is "eighty-five million, seven hundred nine thousand, twenty-seven".