85733809889 has 32 divisors (see below), whose sum is σ = 108507469056. Its totient is φ = 65916529920.

The previous prime is 85733809883. The next prime is 85733809937. The reversal of 85733809889 is 98890833758.

It is a cyclic number.

It is not a de Polignac number, because 85733809889 - 2¹⁶ = 85733744353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85733809883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2714939 + ... + 2746335.

It is an arithmetic number, because the mean of its divisors is an integer number (3390858408).

Almost surely, 2^85733809889 is an apocalyptic number.

It is an amenable number.

85733809889 is a deficient number, since it is larger than the sum of its proper divisors (22773659167).

85733809889 is a wasteful number, since it uses less digits than its factorization.

85733809889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32265.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 85733809889 in words is "eighty-five billion, seven hundred thirty-three million, eight hundred nine thousand, eight hundred eighty-nine".