85323447 has 12 divisors (see below), whose sum is σ = 134449224. Its totient is φ = 51711120.

The previous prime is 85323437. The next prime is 85323451. The reversal of 85323447 is 74432358.

It is a happy number.

It is not a de Polignac number, because 85323447 - 2⁶ = 85323383 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85323437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430828 + ... + 431025.

It is an arithmetic number, because the mean of its divisors is an integer number (11204102).

Almost surely, 2^85323447 is an apocalyptic number.

85323447 is a deficient number, since it is larger than the sum of its proper divisors (49125777).

85323447 is a wasteful number, since it uses less digits than its factorization.

85323447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861870 (or 861867 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 85323447 is about 9237.0691780456. The cubic root of 85323447 is about 440.2399638036.

The spelling of 85323447 in words is "eighty-five million, three hundred twenty-three thousand, four hundred forty-seven".