285229668159 has 12 divisors (see below), whose sum is σ = 412500245352. Its totient is φ = 189921495600.

The previous prime is 285229668077. The next prime is 285229668211. The reversal of 285229668159 is 951866922582.

285229668159 is a `hidden beast` number, since 2 + 8 + 522 + 96 + 6 + 8 + 15 + 9 = 666.

It is not a de Polignac number, because 285229668159 - 2³³ = 276639733567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285229668096 and 285229668105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285229668259) 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 11 ways as a sum of consecutive naturals, for example, 19293577 + ... + 19308354.

It is an arithmetic number, because the mean of its divisors is an integer number (34375020446).

Almost surely, 2^285229668159 is an apocalyptic number.

285229668159 is a deficient number, since it is larger than the sum of its proper divisors (127270577193).

285229668159 is a wasteful number, since it uses less digits than its factorization.

285229668159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38602758 (or 38602755 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 285229668159 in words is "two hundred eighty-five billion, two hundred twenty-nine million, six hundred sixty-eight thousand, one hundred fifty-nine".