27028999206 has 24 divisors (see below), whose sum is σ = 63886725864. Its totient is φ = 8190605760.

The previous prime is 27028999189. The next prime is 27028999213. The reversal of 27028999206 is 60299982072.

It is a happy number.

27028999206 is a `hidden beast` number, since 2 + 70 + 289 + 99 + 206 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68254851 + ... + 68255246.

It is an arithmetic number, because the mean of its divisors is an integer number (2661946911).

Almost surely, 2^27028999206 is an apocalyptic number.

27028999206 is an abundant number, since it is smaller than the sum of its proper divisors (36857726658).

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

27028999206 is a wasteful number, since it uses less digits than its factorization.

27028999206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136510116 (or 136510113 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 27028999206 in words is "twenty-seven billion, twenty-eight million, nine hundred ninety-nine thousand, two hundred six".