806985283221 has 32 divisors (see below), whose sum is σ = 1314891486720. Its totient is φ = 486040226112.

The previous prime is 806985283219. The next prime is 806985283241. The reversal of 806985283221 is 122382589608.

It is a happy number.

806985283221 is a `hidden beast` number, since 8 + 0 + 6 + 98 + 528 + 3 + 2 + 21 = 666.

806985283221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 806985283221 - 2¹ = 806985283219 is a prime.

It is a super-3 number, since 3×806985283221³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806985283211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24442050 + ... + 24475043.

It is an arithmetic number, because the mean of its divisors is an integer number (41090358960).

Almost surely, 2^806985283221 is an apocalyptic number.

It is an amenable number.

806985283221 is a deficient number, since it is larger than the sum of its proper divisors (507906203499).

806985283221 is a wasteful number, since it uses less digits than its factorization.

806985283221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48917162 (or 48917156 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 806985283221 in words is "eight hundred six billion, nine hundred eighty-five million, two hundred eighty-three thousand, two hundred twenty-one".