27780505300050 has 48 divisors (see below), whose sum is σ = 68902492458240. Its totient is φ = 7407399336640.

The previous prime is 27780505299919. The next prime is 27780505300063. The reversal of 27780505300050 is 5000350508772.

It is a super-2 number, since 2×27780505300050² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27780505299975 and 27780505300011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7675737 + ... + 10699436.

It is an arithmetic number, because the mean of its divisors is an integer number (1435468592880).

Almost surely, 2^{27780505300050} is an apocalyptic number.

27780505300050 is an abundant number, since it is smaller than the sum of its proper divisors (41121987158190).

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

27780505300050 is a wasteful number, since it uses less digits than its factorization.

27780505300050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18385267 (or 18385262 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 27780505300050 in words is "twenty-seven trillion, seven hundred eighty billion, five hundred five million, three hundred thousand, fifty".