85866727 has 2 divisors, whose sum is σ = 85866728. Its totient is φ = 85866726.

The previous prime is 85866721. The next prime is 85866749. The reversal of 85866727 is 72766858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85866727 - 2²³ = 77478119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85866721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42933363 + 42933364.

It is an arithmetic number, because the mean of its divisors is an integer number (42933364).

Almost surely, 2^85866727 is an apocalyptic number.

85866727 is a deficient number, since it is larger than the sum of its proper divisors (1).

85866727 is an equidigital number, since it uses as much as digits as its factorization.

85866727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 85866727 is about 9266.4301108895. The cubic root of 85866727 is about 441.1723676310.

The spelling of 85866727 in words is "eighty-five million, eight hundred sixty-six thousand, seven hundred twenty-seven".