50078775833 has 2 divisors, whose sum is σ = 50078775834. Its totient is φ = 50078775832.

The previous prime is 50078775829. The next prime is 50078775869. The reversal of 50078775833 is 33857787005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42705462409 + 7373313424 = 206653^2 + 85868^2 .

It is a cyclic number.

It is not a de Polignac number, because 50078775833 - 2² = 50078775829 is a prime.

It is not a weakly prime, because it can be changed into another prime (50078775823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25039387916 + 25039387917.

It is an arithmetic number, because the mean of its divisors is an integer number (25039387917).

Almost surely, 2^50078775833 is an apocalyptic number.

It is an amenable number.

50078775833 is a deficient number, since it is larger than the sum of its proper divisors (1).

50078775833 is an equidigital number, since it uses as much as digits as its factorization.

50078775833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 50078775833 in words is "fifty billion, seventy-eight million, seven hundred seventy-five thousand, eight hundred thirty-three".