855881533 has 8 divisors (see below), whose sum is σ = 923245568. Its totient is φ = 788735664.

The previous prime is 855881531. The next prime is 855881561. The reversal of 855881533 is 335188558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 855881533 - 2¹ = 855881531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855881531) 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 7 ways as a sum of consecutive naturals, for example, 46341 + ... + 62122.

It is an arithmetic number, because the mean of its divisors is an integer number (115405696).

Almost surely, 2^855881533 is an apocalyptic number.

It is an amenable number.

855881533 is a deficient number, since it is larger than the sum of its proper divisors (67364035).

855881533 is a wasteful number, since it uses less digits than its factorization.

855881533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109083.

The product of its digits is 576000, while the sum is 46.

The square root of 855881533 is about 29255.4530472526. The cubic root of 855881533 is about 949.4480757156.

The spelling of 855881533 in words is "eight hundred fifty-five million, eight hundred eighty-one thousand, five hundred thirty-three".