27289985211 has 8 divisors (see below), whose sum is σ = 40429607760. Its totient is φ = 18193323456.

The previous prime is 27289985197. The next prime is 27289985213. The reversal of 27289985211 is 11258998272.

27289985211 is a `hidden beast` number, since 2 + 7 + 28 + 9 + 98 + 521 + 1 = 666.

It is not a de Polignac number, because 27289985211 - 2²⁶ = 27222876347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27289985213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505370070 + ... + 505370123.

It is an arithmetic number, because the mean of its divisors is an integer number (5053700970).

Almost surely, 2^27289985211 is an apocalyptic number.

27289985211 is a deficient number, since it is larger than the sum of its proper divisors (13139622549).

27289985211 is a wasteful number, since it uses less digits than its factorization.

27289985211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010740202 (or 1010740196 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The spelling of 27289985211 in words is "twenty-seven billion, two hundred eighty-nine million, nine hundred eighty-five thousand, two hundred eleven".