50578278286874 has 16 divisors (see below), whose sum is σ = 81706223707080. Its totient is φ = 23343006150720.

The previous prime is 50578278286873. The next prime is 50578278286889. The reversal of 50578278286874 is 47868287287505.

It can be written as a sum of positive squares in 4 ways, for example, as 39521276694025 + 11057001592849 = 6286595^2 + 3325207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50578278286795 and 50578278286804.

It is not an unprimeable number, because it can be changed into a prime (50578278286871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33181817 + ... + 34672604.

Almost surely, 2^{50578278286874} is an apocalyptic number.

50578278286874 is a deficient number, since it is larger than the sum of its proper divisors (31127945420206).

50578278286874 is a wasteful number, since it uses less digits than its factorization.

50578278286874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67883105.

The product of its (nonzero) digits is 3371827200, while the sum is 77.

The spelling of 50578278286874 in words is "fifty trillion, five hundred seventy-eight billion, two hundred seventy-eight million, two hundred eighty-six thousand, eight hundred seventy-four".