85323091 has 16 divisors (see below), whose sum is σ = 105154560. Its totient is φ = 67590720.

The previous prime is 85323089. The next prime is 85323107. The reversal of 85323091 is 19032358.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85323091 - 2¹ = 85323089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85323061) 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, 2371 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (6572160).

Almost surely, 2^85323091 is an apocalyptic number.

85323091 is a deficient number, since it is larger than the sum of its proper divisors (19831469).

85323091 is a wasteful number, since it uses less digits than its factorization.

85323091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 85323091 is about 9237.0499078440. The cubic root of 85323091 is about 440.2393515231.

The spelling of 85323091 in words is "eighty-five million, three hundred twenty-three thousand, ninety-one".