8205739086 has 16 divisors (see below), whose sum is σ = 16426589184. Its totient is φ = 2732727864.

The previous prime is 8205739067. The next prime is 8205739103. The reversal of 8205739086 is 6809375028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622560 + ... + 635603.

It is an arithmetic number, because the mean of its divisors is an integer number (1026661824).

Almost surely, 2^8205739086 is an apocalyptic number.

8205739086 is an abundant number, since it is smaller than the sum of its proper divisors (8220850098).

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

8205739086 is a wasteful number, since it uses less digits than its factorization.

8205739086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259255.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 8205739086 is about 90585.5346399192. The cubic root of 8205739086 is about 2017.0000141747. Note that the first 4 decimals are identical.

The spelling of 8205739086 in words is "eight billion, two hundred five million, seven hundred thirty-nine thousand, eighty-six".