27775732844 has 12 divisors (see below), whose sum is σ = 51165823800. Its totient is φ = 13156926048.

The previous prime is 27775732819. The next prime is 27775732861. The reversal of 27775732844 is 44823757772.

It is a self number, because there is not a number n which added to its sum of digits gives 27775732844.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182735009 + ... + 182735160.

It is an arithmetic number, because the mean of its divisors is an integer number (4263818650).

Almost surely, 2^27775732844 is an apocalyptic number.

It is an amenable number.

27775732844 is a deficient number, since it is larger than the sum of its proper divisors (23390090956).

27775732844 is a wasteful number, since it uses less digits than its factorization.

27775732844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365470192 (or 365470190 counting only the distinct ones).

The product of its digits is 18439680, while the sum is 56.

The spelling of 27775732844 in words is "twenty-seven billion, seven hundred seventy-five million, seven hundred thirty-two thousand, eight hundred forty-four".