8206289091 has 144 divisors (see below), whose sum is σ = 16635137792. Its totient is φ = 3933800640.

The previous prime is 8206289041. The next prime is 8206289111. The reversal of 8206289091 is 1909826028.

It is not a de Polignac number, because 8206289091 - 2⁷ = 8206288963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8206289041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2674140 + ... + 2677206.

Almost surely, 2^8206289091 is an apocalyptic number.

8206289091 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8206289091 is an abundant number, since it is smaller than the sum of its proper divisors (8428848701).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8206289091 is a wasteful number, since it uses less digits than its factorization.

8206289091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 8206289091 is about 90588.5704214389. The cubic root of 8206289091 is about 2017.0450775665.

The spelling of 8206289091 in words is "eight billion, two hundred six million, two hundred eighty-nine thousand, ninety-one".