85473229 has 16 divisors (see below), whose sum is σ = 95644800. Its totient is φ = 75907584.

The previous prime is 85473209. The next prime is 85473251. The reversal of 85473229 is 92237458.

It is a de Polignac number, because none of the positive numbers 2^k-85473229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85473191 and 85473200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85473209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131784 + ... + 132430.

It is an arithmetic number, because the mean of its divisors is an integer number (5977800).

Almost surely, 2^85473229 is an apocalyptic number.

It is an amenable number.

85473229 is a deficient number, since it is larger than the sum of its proper divisors (10171571).

85473229 is a wasteful number, since it uses less digits than its factorization.

85473229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

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

The square root of 85473229 is about 9245.1732812317. The cubic root of 85473229 is about 440.4974212673.

The spelling of 85473229 in words is "eighty-five million, four hundred seventy-three thousand, two hundred twenty-nine".