85064443 has 4 divisors (see below), whose sum is σ = 87363520. Its totient is φ = 82765368.

The previous prime is 85064437. The next prime is 85064471. The reversal of 85064443 is 34446058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85064443 - 2⁵ = 85064411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85064399 and 85064408.

It is not an unprimeable number, because it can be changed into a prime (85064543) 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 3 ways as a sum of consecutive naturals, for example, 1149483 + ... + 1149556.

It is an arithmetic number, because the mean of its divisors is an integer number (21840880).

Almost surely, 2^85064443 is an apocalyptic number.

85064443 is a deficient number, since it is larger than the sum of its proper divisors (2299077).

85064443 is a wasteful number, since it uses less digits than its factorization.

85064443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299076.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 85064443 is about 9223.0387074977. The cubic root of 85064443 is about 439.7940547917.

The spelling of 85064443 in words is "eighty-five million, sixty-four thousand, four hundred forty-three".