50117213677 has 2 divisors, whose sum is σ = 50117213678. Its totient is φ = 50117213676.

The previous prime is 50117213669. The next prime is 50117213753. The reversal of 50117213677 is 77631271105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48525921796 + 1591291881 = 220286^2 + 39891^2 .

It is a cyclic number.

It is not a de Polignac number, because 50117213677 - 2³ = 50117213669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50117213617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25058606838 + 25058606839.

It is an arithmetic number, because the mean of its divisors is an integer number (25058606839).

Almost surely, 2^50117213677 is an apocalyptic number.

It is an amenable number.

50117213677 is a deficient number, since it is larger than the sum of its proper divisors (1).

50117213677 is an equidigital number, since it uses as much as digits as its factorization.

50117213677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 50117213677 in words is "fifty billion, one hundred seventeen million, two hundred thirteen thousand, six hundred seventy-seven".