85783533608281 has 16 divisors (see below), whose sum is σ = 87981352729600. Its totient is φ = 83594947717008.

The previous prime is 85783533608243. The next prime is 85783533608293. The reversal of 85783533608281 is 18280633538758.

It is a cyclic number.

It is not a de Polignac number, because 85783533608281 - 2¹⁷ = 85783533477209 is a prime.

It is a super-2 number, since 2×85783533608281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85783533602281) 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 15 ways as a sum of consecutive naturals, for example, 796310140 + ... + 796417858.

It is an arithmetic number, because the mean of its divisors is an integer number (5498834545600).

Almost surely, 2^{85783533608281} is an apocalyptic number.

It is an amenable number.

85783533608281 is a deficient number, since it is larger than the sum of its proper divisors (2197819121319).

85783533608281 is a wasteful number, since it uses less digits than its factorization.

85783533608281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150388.

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 85783533608281 in words is "eighty-five trillion, seven hundred eighty-three billion, five hundred thirty-three million, six hundred eight thousand, two hundred eighty-one".