27771418148 has 12 divisors (see below), whose sum is σ = 49054187952. Its totient is φ = 13755935880.

The previous prime is 27771418141. The next prime is 27771418163. The reversal of 27771418148 is 84181417772.

It is a junction number, because it is equal to n+sod(n) for n = 27771418096 and 27771418105.

It is not an unprimeable number, because it can be changed into a prime (27771418141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32442818 + ... + 32443673.

It is an arithmetic number, because the mean of its divisors is an integer number (4087848996).

Almost surely, 2^27771418148 is an apocalyptic number.

It is an amenable number.

27771418148 is a deficient number, since it is larger than the sum of its proper divisors (21282769804).

27771418148 is a wasteful number, since it uses less digits than its factorization.

27771418148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64886602 (or 64886600 counting only the distinct ones).

The product of its digits is 702464, while the sum is 50.

The spelling of 27771418148 in words is "twenty-seven billion, seven hundred seventy-one million, four hundred eighteen thousand, one hundred forty-eight".