27799258 has 4 divisors (see below), whose sum is σ = 41698890. Its totient is φ = 13899628.

The previous prime is 27799253. The next prime is 27799259. The reversal of 27799258 is 85299772.

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

It can be written as a sum of positive squares in only one way, i.e., 27217089 + 582169 = 5217^2 + 763^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27799253) 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 as a sum of consecutive naturals, namely, 6949813 + ... + 6949816.

Almost surely, 2^27799258 is an apocalyptic number.

27799258 is a deficient number, since it is larger than the sum of its proper divisors (13899632).

27799258 is a wasteful number, since it uses less digits than its factorization.

27799258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899631.

The product of its digits is 635040, while the sum is 49.

The square root of 27799258 is about 5272.5001659554. The cubic root of 27799258 is about 302.9314763335.

The spelling of 27799258 in words is "twenty-seven million, seven hundred ninety-nine thousand, two hundred fifty-eight".