27129799148 has 12 divisors (see below), whose sum is σ = 47481057792. Its totient is φ = 13563782640.

The previous prime is 27129799139. The next prime is 27129799153. The reversal of 27129799148 is 84199792172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223340 + ... + 322707.

It is an arithmetic number, because the mean of its divisors is an integer number (3956754816).

Almost surely, 2^27129799148 is an apocalyptic number.

It is an amenable number.

27129799148 is a deficient number, since it is larger than the sum of its proper divisors (20351258644).

27129799148 is a wasteful number, since it uses less digits than its factorization.

27129799148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558472 (or 558470 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 59.

The spelling of 27129799148 in words is "twenty-seven billion, one hundred twenty-nine million, seven hundred ninety-nine thousand, one hundred forty-eight".