65893212288 has 120 divisors (see below), whose sum is σ = 196174948365. Its totient is φ = 21955691520.

The previous prime is 65893212271. The next prime is 65893212289. The reversal of 65893212288 is 88221239856.

It is a happy number.

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.

65893212288 is a `hidden beast` number, since 6 + 589 + 32 + 1 + 2 + 28 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34801648704 + 31091563584 = 186552^2 + 176328^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=181512.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (65893212289) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 26136468 + ... + 26138988.

Almost surely, 2^65893212288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65893212288

65893212288 is an abundant number, since it is smaller than the sum of its proper divisors (130281736077).

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

65893212288 is an frugal number, since it uses more digits than its factorization.

65893212288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 2526 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 65893212288 in words is "sixty-five billion, eight hundred ninety-three million, two hundred twelve thousand, two hundred eighty-eight".