85827727 has 4 divisors (see below), whose sum is σ = 86861880. Its totient is φ = 84793576.

The previous prime is 85827701. The next prime is 85827751. The reversal of 85827727 is 72772858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85827727 - 2¹⁵ = 85794959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85827757) 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 in 3 ways as a sum of consecutive naturals, for example, 516952 + ... + 517117.

It is an arithmetic number, because the mean of its divisors is an integer number (21715470).

Almost surely, 2^85827727 is an apocalyptic number.

85827727 is a deficient number, since it is larger than the sum of its proper divisors (1034153).

85827727 is a wasteful number, since it uses less digits than its factorization.

85827727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034152.

The product of its digits is 439040, while the sum is 46.

The square root of 85827727 is about 9264.3255016218. The cubic root of 85827727 is about 441.1055651628.

The spelling of 85827727 in words is "eighty-five million, eight hundred twenty-seven thousand, seven hundred twenty-seven".