85347727 has 4 divisors (see below), whose sum is σ = 86192856. Its totient is φ = 84502600.

The previous prime is 85347721. The next prime is 85347739. The reversal of 85347727 is 72774358.

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 85347727 - 2³ = 85347719 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 (85347721) 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, 422413 + ... + 422614.

It is an arithmetic number, because the mean of its divisors is an integer number (21548214).

Almost surely, 2^85347727 is an apocalyptic number.

85347727 is a deficient number, since it is larger than the sum of its proper divisors (845129).

85347727 is a wasteful number, since it uses less digits than its factorization.

85347727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845128.

The product of its digits is 329280, while the sum is 43.

The square root of 85347727 is about 9238.3833542455. The cubic root of 85347727 is about 440.2817186902.

It can be divided in two parts, 8534 and 7727, that added together give a palindrome (16261).

The spelling of 85347727 in words is "eighty-five million, three hundred forty-seven thousand, seven hundred twenty-seven".