65798859848 has 36 divisors (see below), whose sum is σ = 124897217865. Its totient is φ = 32497850176.

The previous prime is 65798859821. The next prime is 65798859857. The reversal of 65798859848 is 84895889756.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 58816920484 + 6981939364 = 242522^2 + 83558^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=181382.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 64571483 + ... + 64572501.

Almost surely, 2^65798859848 is an apocalyptic number.

It is an amenable number.

65798859848 is a deficient number, since it is larger than the sum of its proper divisors (59098358017).

65798859848 is an frugal number, since it uses more digits than its factorization.

65798859848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 1110 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 77.

The spelling of 65798859848 in words is "sixty-five billion, seven hundred ninety-eight million, eight hundred fifty-nine thousand, eight hundred forty-eight".