65478863845332 has 36 divisors (see below), whose sum is σ = 189161162220576. Its totient is φ = 18708246812880.

The previous prime is 65478863845309. The next prime is 65478863845393. The reversal of 65478863845332 is 23354836887456.

65478863845332 is a `hidden beast` number, since 6 + 5 + 4 + 7 + 8 + 8 + 6 + 3 + 84 + 533 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×65478863845332² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129918380394 + ... + 129918380897.

Almost surely, 2^{65478863845332} is an apocalyptic number.

It is an amenable number.

65478863845332 is an abundant number, since it is smaller than the sum of its proper divisors (123682298375244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65478863845332 is a wasteful number, since it uses less digits than its factorization.

65478863845332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259836761308 (or 259836761303 counting only the distinct ones).

The product of its digits is 2786918400, while the sum is 72.

The spelling of 65478863845332 in words is "sixty-five trillion, four hundred seventy-eight billion, eight hundred sixty-three million, eight hundred forty-five thousand, three hundred thirty-two".