27968259 has 16 divisors (see below), whose sum is σ = 41451264. Its totient is φ = 16629600.

The previous prime is 27968219. The next prime is 27968327. The reversal of 27968259 is 95286972.

It is not a de Polignac number, because 27968259 - 2⁷ = 27968131 is a prime.

It is a super-2 number, since 2×27968259² = 1564447022982162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27968219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (2590704).

Almost surely, 2^27968259 is an apocalyptic number.

27968259 is a deficient number, since it is larger than the sum of its proper divisors (13483005).

27968259 is a wasteful number, since it uses less digits than its factorization.

27968259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16058.

The product of its digits is 544320, while the sum is 48.

The square root of 27968259 is about 5288.5025290719. The cubic root of 27968259 is about 303.5441105040.

The spelling of 27968259 in words is "twenty-seven million, nine hundred sixty-eight thousand, two hundred fifty-nine".