50778368784 has 240 divisors, whose sum is σ = 167257044864. Its totient is φ = 14177894400.

The previous prime is 50778368783. The next prime is 50778368791. The reversal of 50778368784 is 48786387705.

It is not an unprimeable number, because it can be changed into a prime (50778368783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13197549 + ... + 13201395.

Almost surely, 2^50778368784 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 50778368784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83628522432).

50778368784 is an abundant number, since it is smaller than the sum of its proper divisors (116478676080).

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

50778368784 is a wasteful number, since it uses less digits than its factorization.

50778368784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 63.

The spelling of 50778368784 in words is "fifty billion, seven hundred seventy-eight million, three hundred sixty-eight thousand, seven hundred eighty-four".