65717700071 has 8 divisors (see below), whose sum is σ = 70199231904. Its totient is φ = 61304588800.

The previous prime is 65717700049. The next prime is 65717700121. The reversal of 65717700071 is 17000771756.

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 65717700071 - 2⁶ = 65717700007 is a prime.

It is a super-2 number, since 2×65717700071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65717700001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17103155 + ... + 17106996.

It is an arithmetic number, because the mean of its divisors is an integer number (8774903988).

Almost surely, 2^65717700071 is an apocalyptic number.

65717700071 is a deficient number, since it is larger than the sum of its proper divisors (4481531833).

65717700071 is a wasteful number, since it uses less digits than its factorization.

65717700071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210281.

The product of its (nonzero) digits is 72030, while the sum is 41.

The spelling of 65717700071 in words is "sixty-five billion, seven hundred seventeen million, seven hundred thousand, seventy-one".