27803486811 has 8 divisors (see below), whose sum is σ = 37363216384. Its totient is φ = 18389707560.

The previous prime is 27803486779. The next prime is 27803486813. The reversal of 27803486811 is 11868430872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27803486811 - 2⁵ = 27803486779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27803486813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36487135 + ... + 36487896.

It is an arithmetic number, because the mean of its divisors is an integer number (4670402048).

Almost surely, 2^27803486811 is an apocalyptic number.

27803486811 is a deficient number, since it is larger than the sum of its proper divisors (9559729573).

27803486811 is a wasteful number, since it uses less digits than its factorization.

27803486811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72975161.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 27803486811 in words is "twenty-seven billion, eight hundred three million, four hundred eighty-six thousand, eight hundred eleven".