85765727 has 4 divisors (see below), whose sum is σ = 87857616. Its totient is φ = 83673840.

The previous prime is 85765717. The next prime is 85765739. The reversal of 85765727 is 72756758.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72756758 = 2 ⋅36378379.

It is a cyclic number.

It is not a de Polignac number, because 85765727 - 2⁴ = 85765711 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 (85765717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045883 + ... + 1045964.

It is an arithmetic number, because the mean of its divisors is an integer number (21964404).

Almost surely, 2^85765727 is an apocalyptic number.

85765727 is a deficient number, since it is larger than the sum of its proper divisors (2091889).

85765727 is a wasteful number, since it uses less digits than its factorization.

85765727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091888.

The product of its digits is 823200, while the sum is 47.

The square root of 85765727 is about 9260.9787279747. The cubic root of 85765727 is about 440.9993246974. Note that the first 3 decimals are identical.

The spelling of 85765727 in words is "eighty-five million, seven hundred sixty-five thousand, seven hundred twenty-seven".