85356771 has 4 divisors (see below), whose sum is σ = 113809032. Its totient is φ = 56904512.

The previous prime is 85356737. The next prime is 85356811. The reversal of 85356771 is 17765358.

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 85356771 - 2¹³ = 85348579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85356731) 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, 14226126 + ... + 14226131.

It is an arithmetic number, because the mean of its divisors is an integer number (28452258).

Almost surely, 2^85356771 is an apocalyptic number.

85356771 is a deficient number, since it is larger than the sum of its proper divisors (28452261).

85356771 is a wasteful number, since it uses less digits than its factorization.

85356771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452260.

The product of its digits is 176400, while the sum is 42.

The square root of 85356771 is about 9238.8728208586. The cubic root of 85356771 is about 440.2972698453.

The spelling of 85356771 in words is "eighty-five million, three hundred fifty-six thousand, seven hundred seventy-one".