27800185316 has 6 divisors (see below), whose sum is σ = 48650324310. Its totient is φ = 13900092656.

The previous prime is 27800185297. The next prime is 27800185327. The reversal of 27800185316 is 61358100872.

It can be written as a sum of positive squares in only one way, i.e., 22110500416 + 5689684900 = 148696^2 + 75430^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475023161 + ... + 3475023168.

It is an arithmetic number, because the mean of its divisors is an integer number (8108387385).

Almost surely, 2^27800185316 is an apocalyptic number.

It is an amenable number.

27800185316 is a deficient number, since it is larger than the sum of its proper divisors (20850138994).

27800185316 is a wasteful number, since it uses less digits than its factorization.

27800185316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950046333 (or 6950046331 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 27800185316 in words is "twenty-seven billion, eight hundred million, one hundred eighty-five thousand, three hundred sixteen".