27523147368 has 128 divisors (see below), whose sum is σ = 70616033280. Its totient is φ = 8937308160.

The previous prime is 27523147321. The next prime is 27523147397. The reversal of 27523147368 is 86374132572.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77969080 + ... + 77969432.

It is an arithmetic number, because the mean of its divisors is an integer number (551687760).

Almost surely, 2^27523147368 is an apocalyptic number.

It is an amenable number.

27523147368 is an abundant number, since it is smaller than the sum of its proper divisors (43092885912).

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

27523147368 is a wasteful number, since it uses less digits than its factorization.

27523147368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 855 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 27523147368 in words is "twenty-seven billion, five hundred twenty-three million, one hundred forty-seven thousand, three hundred sixty-eight".