27068923188 has 72 divisors (see below), whose sum is σ = 68820078600. Its totient is φ = 8970894336.

The previous prime is 27068923177. The next prime is 27068923207. The reversal of 27068923188 is 88132986072.

It is a happy number.

27068923188 is a `hidden beast` number, since 270 + 68 + 9 + 231 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4816637604 + 22252285584 = 69402^2 + 149172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6783898 + ... + 6787886.

It is an arithmetic number, because the mean of its divisors is an integer number (955834425).

Almost surely, 2^27068923188 is an apocalyptic number.

It is an amenable number.

27068923188 is an abundant number, since it is smaller than the sum of its proper divisors (41751155412).

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

27068923188 is a wasteful number, since it uses less digits than its factorization.

27068923188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 27068923188 in words is "twenty-seven billion, sixty-eight million, nine hundred twenty-three thousand, one hundred eighty-eight".