50667777888 has 768 divisors, whose sum is σ = 182801203200. Its totient is φ = 11914076160.

The previous prime is 50667777871. The next prime is 50667777899. The reversal of 50667777888 is 88877776605.

It is a super-2 number, since 2×50667777888² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 221256558 + ... + 221256786.

It is an arithmetic number, because the mean of its divisors is an integer number (238022400).

Almost surely, 2^50667777888 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 50667777888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91400601600).

50667777888 is an abundant number, since it is smaller than the sum of its proper divisors (132133425312).

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

50667777888 is a wasteful number, since it uses less digits than its factorization.

50667777888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 69.

The spelling of 50667777888 in words is "fifty billion, six hundred sixty-seven million, seven hundred seventy-seven thousand, eight hundred eighty-eight".