27026987 has 18 divisors (see below), whose sum is σ = 30957012. Its totient is φ = 23581584.

The previous prime is 27026977. The next prime is 27027019. The reversal of 27026987 is 78962072.

It is not a de Polignac number, because 27026987 - 2⁴ = 27026971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27026917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60788 + ... + 61230.

It is an arithmetic number, because the mean of its divisors is an integer number (1719834).

Almost surely, 2^27026987 is an apocalyptic number.

27026987 is a deficient number, since it is larger than the sum of its proper divisors (3930025).

27026987 is a wasteful number, since it uses less digits than its factorization.

27026987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 27026987 is about 5198.7485994227. The cubic root of 27026987 is about 300.0999185691.

The spelling of 27026987 in words is "twenty-seven million, twenty-six thousand, nine hundred eighty-seven".