27679751268 has 24 divisors (see below), whose sum is σ = 69554247168. Its totient is φ = 8516846496.

The previous prime is 27679751227. The next prime is 27679751273. The reversal of 27679751268 is 86215797672.

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, 88716996 + ... + 88717307.

It is an arithmetic number, because the mean of its divisors is an integer number (2898093632).

Almost surely, 2^27679751268 is an apocalyptic number.

It is an amenable number.

27679751268 is an abundant number, since it is smaller than the sum of its proper divisors (41874495900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27679751268 is a wasteful number, since it uses less digits than its factorization.

27679751268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177434323 (or 177434321 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 60.

The spelling of 27679751268 in words is "twenty-seven billion, six hundred seventy-nine million, seven hundred fifty-one thousand, two hundred sixty-eight".