27058985 has 16 divisors (see below), whose sum is σ = 34506000. Its totient is φ = 20299776.

The previous prime is 27058973. The next prime is 27058987. The reversal of 27058985 is 58985072.

It can be written as a sum of positive squares in 8 ways, for example, as 143641 + 26915344 = 379^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 27058985 - 2¹² = 27054889 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27058987) 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 15 ways as a sum of consecutive naturals, for example, 37811 + ... + 38519.

It is an arithmetic number, because the mean of its divisors is an integer number (2156625).

Almost surely, 2^27058985 is an apocalyptic number.

It is an amenable number.

27058985 is a deficient number, since it is larger than the sum of its proper divisors (7447015).

27058985 is a wasteful number, since it uses less digits than its factorization.

27058985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 27058985 is about 5201.8251604605. The cubic root of 27058985 is about 300.2183040689.

The spelling of 27058985 in words is "twenty-seven million, fifty-eight thousand, nine hundred eighty-five".