85723227 has 12 divisors (see below), whose sum is σ = 124183800. Its totient is φ = 56982048.

The previous prime is 85723189. The next prime is 85723237. The reversal of 85723227 is 72232758.

It is a happy number.

It is not a de Polignac number, because 85723227 - 2¹² = 85719131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85723191 and 85723200.

It is not an unprimeable number, because it can be changed into a prime (85723237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10602 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (10348650).

Almost surely, 2^85723227 is an apocalyptic number.

85723227 is a deficient number, since it is larger than the sum of its proper divisors (38460573).

85723227 is a wasteful number, since it uses less digits than its factorization.

85723227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802 (or 27799 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 85723227 is about 9258.6838697517. The cubic root of 85723227 is about 440.9264689904.

The spelling of 85723227 in words is "eighty-five million, seven hundred twenty-three thousand, two hundred twenty-seven".