27975141388 has 24 divisors (see below), whose sum is σ = 49151737152. Its totient is φ = 13931878224.

The previous prime is 27975141349. The next prime is 27975141437. The reversal of 27975141388 is 88314157972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303795 + ... + 1325077.

It is an arithmetic number, because the mean of its divisors is an integer number (2047989048).

Almost surely, 2^27975141388 is an apocalyptic number.

It is an amenable number.

27975141388 is a deficient number, since it is larger than the sum of its proper divisors (21176595764).

27975141388 is a wasteful number, since it uses less digits than its factorization.

27975141388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581 (or 22579 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 27975141388 in words is "twenty-seven billion, nine hundred seventy-five million, one hundred forty-one thousand, three hundred eighty-eight".