6985760065 has 8 divisors (see below), whose sum is σ = 8469334440. Its totient is φ = 5530993152.

The previous prime is 6985760051. The next prime is 6985760083. The reversal of 6985760065 is 5600675896.

It can be written as a sum of positive squares in 4 ways, for example, as 2102405904 + 4883354161 = 45852^2 + 69881^2 .

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 6985760065 - 2¹³ = 6985751873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6985759994 and 6985760021.

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, 7201330 + ... + 7202299.

It is an arithmetic number, because the mean of its divisors is an integer number (1058666805).

Almost surely, 2^6985760065 is an apocalyptic number.

It is an amenable number.

6985760065 is a deficient number, since it is larger than the sum of its proper divisors (1483574375).

6985760065 is a wasteful number, since it uses less digits than its factorization.

6985760065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14403731.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 6985760065 is about 83580.8594416210. The cubic root of 6985760065 is about 1911.6331585892.

The spelling of 6985760065 in words is "six billion, nine hundred eighty-five million, seven hundred sixty thousand, sixty-five".