65785087713 has 8 divisors (see below), whose sum is σ = 88172683776. Its totient is φ = 43627108400.

The previous prime is 65785087681. The next prime is 65785087717. The reversal of 65785087713 is 31778058756.

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 65785087713 - 2⁵ = 65785087681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65785087717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57403518 + ... + 57404663.

It is an arithmetic number, because the mean of its divisors is an integer number (11021585472).

Almost surely, 2^65785087713 is an apocalyptic number.

It is an amenable number.

65785087713 is a deficient number, since it is larger than the sum of its proper divisors (22387596063).

65785087713 is a wasteful number, since it uses less digits than its factorization.

65785087713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114808375.

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 65785087713 in words is "sixty-five billion, seven hundred eighty-five million, eighty-seven thousand, seven hundred thirteen".