85944223 has 2 divisors, whose sum is σ = 85944224. Its totient is φ = 85944222.

The previous prime is 85944167. The next prime is 85944263. The reversal of 85944223 is 32244958.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85944223 - 2¹⁷ = 85813151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85944263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42972111 + 42972112.

It is an arithmetic number, because the mean of its divisors is an integer number (42972112).

Almost surely, 2^85944223 is an apocalyptic number.

85944223 is a deficient number, since it is larger than the sum of its proper divisors (1).

85944223 is an equidigital number, since it uses as much as digits as its factorization.

85944223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 85944223 is about 9270.6107134320. The cubic root of 85944223 is about 441.3050492675.

The spelling of 85944223 in words is "eighty-five million, nine hundred forty-four thousand, two hundred twenty-three".