855283169 has 8 divisors (see below), whose sum is σ = 925099560. Its totient is φ = 786041856.

The previous prime is 855283159. The next prime is 855283181. The reversal of 855283169 is 961382558.

It can be written as a sum of positive squares in 4 ways, for example, as 481363600 + 373919569 = 21940^2 + 19337^2 .

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 855283169 - 2⁴ = 855283153 is a prime.

It is a super-2 number, since 2×855283169² = 1463018598349365122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855283159) 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, 140672 + ... + 146625.

It is an arithmetic number, because the mean of its divisors is an integer number (115637445).

Almost surely, 2^855283169 is an apocalyptic number.

It is an amenable number.

855283169 is a deficient number, since it is larger than the sum of its proper divisors (69816391).

855283169 is a wasteful number, since it uses less digits than its factorization.

855283169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287539.

The product of its digits is 518400, while the sum is 47.

The square root of 855283169 is about 29245.2247213113. The cubic root of 855283169 is about 949.2267647157.

The spelling of 855283169 in words is "eight hundred fifty-five million, two hundred eighty-three thousand, one hundred sixty-nine".