27000099 has 24 divisors (see below), whose sum is σ = 45663072. Its totient is φ = 15050880.

The previous prime is 27000089. The next prime is 27000109. The reversal of 27000099 is 99000072.

It is an interprime number because it is at equal distance from previous prime (27000089) and next prime (27000109).

It is not a de Polignac number, because 27000099 - 2¹² = 26996003 is a prime.

27000099 is a modest number, since divided by 99 gives 27 as remainder.

It is not an unprimeable number, because it can be changed into a prime (27000049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2644 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (1902628).

Almost surely, 2^27000099 is an apocalyptic number.

27000099 is a deficient number, since it is larger than the sum of its proper divisors (18662973).

27000099 is a wasteful number, since it uses less digits than its factorization.

27000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507 (or 10504 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 27000099 is about 5196.1619489773. The cubic root of 27000099 is about 300.0003666662. Note that the first 3 decimals are identical.

Subtracting from 27000099 its sum of digits (27), we obtain a palindrome (27000072).

The spelling of 27000099 in words is "twenty-seven million, ninety-nine", and thus it is an aban number and an uban number.