27018894107 has 4 divisors (see below), whose sum is σ = 27034361736. Its totient is φ = 27003426480.

The previous prime is 27018894047. The next prime is 27018894113. The reversal of 27018894107 is 70149881072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27018894107 - 2¹⁴ = 27018877723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27018894137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7731194 + ... + 7734687.

It is an arithmetic number, because the mean of its divisors is an integer number (6758590434).

Almost surely, 2^27018894107 is an apocalyptic number.

27018894107 is a deficient number, since it is larger than the sum of its proper divisors (15467629).

27018894107 is a wasteful number, since it uses less digits than its factorization.

27018894107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467628.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 27018894107 in words is "twenty-seven billion, eighteen million, eight hundred ninety-four thousand, one hundred seven".