50767873668 has 18 divisors (see below), whose sum is σ = 128329902974. Its totient is φ = 16922624544.

The previous prime is 50767873643. The next prime is 50767873679. The reversal of 50767873668 is 86637876705.

50767873668 is a `hidden beast` number, since 507 + 67 + 8 + 7 + 3 + 6 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50172416064 + 595457604 = 223992^2 + 24402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705109321 + ... + 705109392.

Almost surely, 2^50767873668 is an apocalyptic number.

It is an amenable number.

50767873668 is an abundant number, since it is smaller than the sum of its proper divisors (77562029306).

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

50767873668 is a wasteful number, since it uses less digits than its factorization.

50767873668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410218723 (or 1410218718 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 50767873668 in words is "fifty billion, seven hundred sixty-seven million, eight hundred seventy-three thousand, six hundred sixty-eight".