8705708139 has 8 divisors (see below), whose sum is σ = 11672458560. Its totient is φ = 5771381576.

The previous prime is 8705708131. The next prime is 8705708153. The reversal of 8705708139 is 9318075078.

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 8705708139 - 2³ = 8705708131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8705708131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105337 + ... + 8106410.

It is an arithmetic number, because the mean of its divisors is an integer number (1459057320).

Almost surely, 2^8705708139 is an apocalyptic number.

8705708139 is a deficient number, since it is larger than the sum of its proper divisors (2966750421).

8705708139 is a wasteful number, since it uses less digits than its factorization.

8705708139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211929.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 8705708139 is about 93304.3843503616. The cubic root of 8705708139 is about 2057.1598258073.

The spelling of 8705708139 in words is "eight billion, seven hundred five million, seven hundred eight thousand, one hundred thirty-nine".