65756714804 has 18 divisors (see below), whose sum is σ = 126486574242. Its totient is φ = 29889415600.

The previous prime is 65756714797. The next prime is 65756714887. The reversal of 65756714804 is 40841765756.

It can be written as a sum of positive squares in only one way, i.e., 65588234404 + 168480400 = 256102^2 + 12980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67930007 + ... + 67930974.

Almost surely, 2^65756714804 is an apocalyptic number.

It is an amenable number.

65756714804 is a deficient number, since it is larger than the sum of its proper divisors (60729859438).

65756714804 is a wasteful number, since it uses less digits than its factorization.

65756714804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135861007 (or 135860994 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 65756714804 in words is "sixty-five billion, seven hundred fifty-six million, seven hundred fourteen thousand, eight hundred four".