85227718 has 4 divisors (see below), whose sum is σ = 127841580. Its totient is φ = 42613858.

The previous prime is 85227713. The next prime is 85227731. The reversal of 85227718 is 81772258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81772258 = 2 ⋅40886129.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85227713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21306928 + ... + 21306931.

It is an arithmetic number, because the mean of its divisors is an integer number (31960395).

Almost surely, 2^85227718 is an apocalyptic number.

85227718 is a deficient number, since it is larger than the sum of its proper divisors (42613862).

85227718 is a wasteful number, since it uses less digits than its factorization.

85227718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42613861.

The product of its digits is 62720, while the sum is 40.

The square root of 85227718 is about 9231.8859395034. The cubic root of 85227718 is about 440.0752591652.

The spelling of 85227718 in words is "eighty-five million, two hundred twenty-seven thousand, seven hundred eighteen".