27775343850 has 48 divisors (see below), whose sum is σ = 68893322688. Its totient is φ = 7405632640.

The previous prime is 27775343809. The next prime is 27775343863. The reversal of 27775343850 is 5834357772.

It is a junction number, because it is equal to n+sod(n) for n = 27775343793 and 27775343802.

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, 1564222 + ... + 1581878.

It is an arithmetic number, because the mean of its divisors is an integer number (1435277556).

Almost surely, 2^27775343850 is an apocalyptic number.

27775343850 is an abundant number, since it is smaller than the sum of its proper divisors (41117978838).

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

27775343850 is a wasteful number, since it uses less digits than its factorization.

27775343850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28159 (or 28154 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 27775343850 in words is "twenty-seven billion, seven hundred seventy-five million, three hundred forty-three thousand, eight hundred fifty".