8087705 has 4 divisors (see below), whose sum is σ = 9705252. Its totient is φ = 6470160.

The previous prime is 8087693. The next prime is 8087707. The reversal of 8087705 is 5077808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5004169 + 3083536 = 2237^2 + 1756^2 .

It is not a de Polignac number, because 8087705 - 2⁴ = 8087689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8087707) 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 3 ways as a sum of consecutive naturals, for example, 808766 + ... + 808775.

It is an arithmetic number, because the mean of its divisors is an integer number (2426313).

Almost surely, 2^8087705 is an apocalyptic number.

It is an amenable number.

8087705 is a deficient number, since it is larger than the sum of its proper divisors (1617547).

8087705 is a wasteful number, since it uses less digits than its factorization.

8087705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617546.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 8087705 is about 2843.8890625339. The cubic root of 8087705 is about 200.7282202581.

The spelling of 8087705 in words is "eight million, eighty-seven thousand, seven hundred five".