65784848394 has 8 divisors (see below), whose sum is σ = 131569696800. Its totient is φ = 21928282796.

The previous prime is 65784848387. The next prime is 65784848407. The reversal of 65784848394 is 49384848756.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

65784848394 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482070694 + ... + 5482070705.

It is an arithmetic number, because the mean of its divisors is an integer number (16446212100).

Almost surely, 2^65784848394 is an apocalyptic number.

65784848394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65784848394 is a wasteful number, since it uses less digits than its factorization.

65784848394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964141404.

The product of its digits is 185794560, while the sum is 66.

The spelling of 65784848394 in words is "sixty-five billion, seven hundred eighty-four million, eight hundred forty-eight thousand, three hundred ninety-four".