85497223 has 8 divisors (see below), whose sum is σ = 97784192. Its totient is φ = 73228536.

The previous prime is 85497151. The next prime is 85497229. The reversal of 85497223 is 32279458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85497223 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 (85497229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7636 + ... + 15142.

It is an arithmetic number, because the mean of its divisors is an integer number (12223024).

Almost surely, 2^85497223 is an apocalyptic number.

85497223 is a deficient number, since it is larger than the sum of its proper divisors (12286969).

85497223 is a wasteful number, since it uses less digits than its factorization.

85497223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its digits is 120960, while the sum is 40.

The square root of 85497223 is about 9246.4708402720. The cubic root of 85497223 is about 440.5386361460.

The spelling of 85497223 in words is "eighty-five million, four hundred ninety-seven thousand, two hundred twenty-three".