50427719868 has 24 divisors (see below), whose sum is σ = 121722083280. Its totient is φ = 16229610880.

The previous prime is 50427719833. The next prime is 50427719869. The reversal of 50427719868 is 86891772405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50427719869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72453273 + ... + 72453968.

It is an arithmetic number, because the mean of its divisors is an integer number (5071753470).

Almost surely, 2^50427719868 is an apocalyptic number.

50427719868 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

50427719868 is an abundant number, since it is smaller than the sum of its proper divisors (71294363412).

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

50427719868 is a wasteful number, since it uses less digits than its factorization.

50427719868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144907277 (or 144907275 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 50427719868 in words is "fifty billion, four hundred twenty-seven million, seven hundred nineteen thousand, eight hundred sixty-eight".