85152823 has 8 divisors (see below), whose sum is σ = 97608992. Its totient is φ = 72769536.

The previous prime is 85152817. The next prime is 85152827. The reversal of 85152823 is 32825158.

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

It is not a de Polignac number, because 85152823 - 2⁵ = 85152791 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 (85152827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15690 + ... + 20407.

It is an arithmetic number, because the mean of its divisors is an integer number (12201124).

Almost surely, 2^85152823 is an apocalyptic number.

85152823 is a deficient number, since it is larger than the sum of its proper divisors (12456169).

85152823 is a wasteful number, since it uses less digits than its factorization.

85152823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36441.

The product of its digits is 19200, while the sum is 34.

The square root of 85152823 is about 9227.8287261956. The cubic root of 85152823 is about 439.9463140421.

The spelling of 85152823 in words is "eighty-five million, one hundred fifty-two thousand, eight hundred twenty-three".