65383679808 has 168 divisors, whose sum is σ = 191237469696. Its totient is φ = 21350784000.

The previous prime is 65383679773. The next prime is 65383679819. The reversal of 65383679808 is 80897638356.

65383679808 is a `hidden beast` number, since 6 + 538 + 3 + 6 + 7 + 98 + 0 + 8 = 666.

65383679808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27809833 + ... + 27812183.

It is an arithmetic number, because the mean of its divisors is an integer number (1138318272).

Almost surely, 2^65383679808 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 65383679808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95618734848).

65383679808 is an abundant number, since it is smaller than the sum of its proper divisors (125853789888).

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

65383679808 is a wasteful number, since it uses less digits than its factorization.

65383679808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 65383679808 in words is "sixty-five billion, three hundred eighty-three million, six hundred seventy-nine thousand, eight hundred eight".