27144099 has 16 divisors (see below), whose sum is σ = 40429600. Its totient is φ = 17998848.

The previous prime is 27144049. The next prime is 27144107. The reversal of 27144099 is 99044172.

It is a Cunningham number, because it is equal to 5210²-1.

It is not a de Polignac number, because 27144099 - 2⁹ = 27143587 is a prime.

It is a super-2 number, since 2×27144099² = 1473604221043602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27144049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 7815.

It is an arithmetic number, because the mean of its divisors is an integer number (2526850).

Almost surely, 2^27144099 is an apocalyptic number.

27144099 is a deficient number, since it is larger than the sum of its proper divisors (13285501).

27144099 is a wasteful number, since it uses less digits than its factorization.

27144099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 27144099 is about 5209.9999040307. Note that the first 4 decimals coincide. The cubic root of 27144099 is about 300.5327533528.

The spelling of 27144099 in words is "twenty-seven million, one hundred forty-four thousand, ninety-nine".