18286877727 has 12 divisors (see below), whose sum is σ = 26591658600. Its totient is φ = 12109430448.

The previous prime is 18286877677. The next prime is 18286877783. The reversal of 18286877727 is 72777868281.

It is not a de Polignac number, because 18286877727 - 2¹⁵ = 18286844959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286877227) 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 11 ways as a sum of consecutive naturals, for example, 6817033 + ... + 6819714.

It is an arithmetic number, because the mean of its divisors is an integer number (2215971550).

Almost surely, 2^18286877727 is an apocalyptic number.

18286877727 is a deficient number, since it is larger than the sum of its proper divisors (8304780873).

18286877727 is a wasteful number, since it uses less digits than its factorization.

18286877727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636902 (or 13636899 counting only the distinct ones).

The product of its digits is 29503488, while the sum is 63.

The spelling of 18286877727 in words is "eighteen billion, two hundred eighty-six million, eight hundred seventy-seven thousand, seven hundred twenty-seven".