85334563 has 4 divisors (see below), whose sum is σ = 87150240. Its totient is φ = 83518888.

The previous prime is 85334551. The next prime is 85334581. The reversal of 85334563 is 36543358.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85334563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85334593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907768 + ... + 907861.

It is an arithmetic number, because the mean of its divisors is an integer number (21787560).

Almost surely, 2^85334563 is an apocalyptic number.

85334563 is a deficient number, since it is larger than the sum of its proper divisors (1815677).

85334563 is a wasteful number, since it uses less digits than its factorization.

85334563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815676.

The product of its digits is 129600, while the sum is 37.

The square root of 85334563 is about 9237.6708644550. The cubic root of 85334563 is about 440.2590812330.

The spelling of 85334563 in words is "eighty-five million, three hundred thirty-four thousand, five hundred sixty-three".