85333861 has 4 divisors (see below), whose sum is σ = 86502892. Its totient is φ = 84164832.

The previous prime is 85333847. The next prime is 85333879. The reversal of 85333861 is 16833358.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51624225 + 33709636 = 7185^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 85333861 - 2⁷ = 85333733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85333861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85333361) 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 3 ways as a sum of consecutive naturals, for example, 584406 + ... + 584551.

It is an arithmetic number, because the mean of its divisors is an integer number (21625723).

Almost surely, 2^85333861 is an apocalyptic number.

It is an amenable number.

85333861 is a deficient number, since it is larger than the sum of its proper divisors (1169031).

85333861 is a wasteful number, since it uses less digits than its factorization.

85333861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169030.

The product of its digits is 51840, while the sum is 37.

The square root of 85333861 is about 9237.6328677860. The cubic root of 85333861 is about 440.2578739742.

The spelling of 85333861 in words is "eighty-five million, three hundred thirty-three thousand, eight hundred sixty-one".