27888130 has 8 divisors (see below), whose sum is σ = 50198652. Its totient is φ = 11155248.

The previous prime is 27888103. The next prime is 27888137. The reversal of 27888130 is 3188872.

It can be written as a sum of positive squares in 2 ways, for example, as 26512201 + 1375929 = 5149^2 + 1173^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27888130.

It is not an unprimeable number, because it can be changed into a prime (27888137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394397 + ... + 1394416.

Almost surely, 2^27888130 is an apocalyptic number.

27888130 is a deficient number, since it is larger than the sum of its proper divisors (22310522).

27888130 is a wasteful number, since it uses less digits than its factorization.

27888130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788820.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 27888130 is about 5280.9213211333. The cubic root of 27888130 is about 303.2539488220.

The spelling of 27888130 in words is "twenty-seven million, eight hundred eighty-eight thousand, one hundred thirty".