85243673 has 16 divisors (see below), whose sum is σ = 90953280. Its totient is φ = 79751616.

The previous prime is 85243649. The next prime is 85243699. The reversal of 85243673 is 37634258.

It is a cyclic number.

It is not a de Polignac number, because 85243673 - 2¹² = 85239577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85243603) 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 15 ways as a sum of consecutive naturals, for example, 245486 + ... + 245832.

It is an arithmetic number, because the mean of its divisors is an integer number (5684580).

Almost surely, 2^85243673 is an apocalyptic number.

It is an amenable number.

85243673 is a deficient number, since it is larger than the sum of its proper divisors (5709607).

85243673 is a wasteful number, since it uses less digits than its factorization.

85243673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its digits is 120960, while the sum is 38.

The square root of 85243673 is about 9232.7500236928. The cubic root of 85243673 is about 440.1027187868.

The spelling of 85243673 in words is "eighty-five million, two hundred forty-three thousand, six hundred seventy-three".