5705687065 has 8 divisors (see below), whose sum is σ = 7373503368. Its totient is φ = 4213430400.

The previous prime is 5705687047. The next prime is 5705687089. The reversal of 5705687065 is 5607865075.

It can be written as a sum of positive squares in 4 ways, for example, as 99121936 + 5606565129 = 9956^2 + 74877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5705687065 - 2⁷ = 5705686937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43889836 + ... + 43889965.

It is an arithmetic number, because the mean of its divisors is an integer number (921687921).

Almost surely, 2^5705687065 is an apocalyptic number.

It is an amenable number.

5705687065 is a deficient number, since it is larger than the sum of its proper divisors (1667816303).

5705687065 is a wasteful number, since it uses less digits than its factorization.

5705687065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87779819.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The square root of 5705687065 is about 75535.9984709278. The cubic root of 5705687065 is about 1786.9098776724.

The spelling of 5705687065 in words is "five billion, seven hundred five million, six hundred eighty-seven thousand, sixty-five".