27849740863 has 12 divisors (see below), whose sum is σ = 32711759472. Its totient is φ = 23226030720.

The previous prime is 27849740861. The next prime is 27849740873. The reversal of 27849740863 is 36804794872.

It is not a de Polignac number, because 27849740863 - 2¹ = 27849740861 is a prime.

It is a super-2 number, since 2×27849740863² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27849740798 and 27849740807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27849740861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443498 + ... + 1462663.

It is an arithmetic number, because the mean of its divisors is an integer number (2725979956).

Almost surely, 2^27849740863 is an apocalyptic number.

27849740863 is a deficient number, since it is larger than the sum of its proper divisors (4862018609).

27849740863 is an equidigital number, since it uses as much as digits as its factorization.

27849740863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906242 (or 2906205 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 27849740863 in words is "twenty-seven billion, eight hundred forty-nine million, seven hundred forty thousand, eight hundred sixty-three".