27889012134530 has 8 divisors (see below), whose sum is σ = 50200221842172. Its totient is φ = 11155604853808.

The previous prime is 27889012134481. The next prime is 27889012134553. The reversal of 27889012134530 is 3543121098872.

It can be written as a sum of positive squares in 2 ways, for example, as 22557341794849 + 5331670339681 = 4749457^2 + 2309041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394450606717 + ... + 1394450606736.

Almost surely, 2^{27889012134530} is an apocalyptic number.

27889012134530 is a deficient number, since it is larger than the sum of its proper divisors (22311209707642).

27889012134530 is a wasteful number, since it uses less digits than its factorization.

27889012134530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788901213460.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 27889012134530 in words is "twenty-seven trillion, eight hundred eighty-nine billion, twelve million, one hundred thirty-four thousand, five hundred thirty".