8427708705 has 64 divisors (see below), whose sum is σ = 15099840000. Its totient is φ = 3985293312.

The previous prime is 8427708683. The next prime is 8427708713. The reversal of 8427708705 is 5078077248.

It is a happy number.

It is not a de Polignac number, because 8427708705 - 2¹⁴ = 8427692321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1121601 + ... + 1129089.

It is an arithmetic number, because the mean of its divisors is an integer number (235935000).

Almost surely, 2^8427708705 is an apocalyptic number.

It is an amenable number.

8427708705 is a deficient number, since it is larger than the sum of its proper divisors (6672131295).

8427708705 is a wasteful number, since it uses less digits than its factorization.

8427708705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738.

The product of its (nonzero) digits is 878080, while the sum is 48.

The square root of 8427708705 is about 91802.5528239820. The cubic root of 8427708705 is about 2035.0254213069.

The spelling of 8427708705 in words is "eight billion, four hundred twenty-seven million, seven hundred eight thousand, seven hundred five".