27864058 has 4 divisors (see below), whose sum is σ = 41796090. Its totient is φ = 13932028.

The previous prime is 27864047. The next prime is 27864059. The reversal of 27864058 is 85046872.

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., 26967249 + 896809 = 5193^2 + 947^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27864058.

It is not an unprimeable number, because it can be changed into a prime (27864059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966013 + ... + 6966016.

Almost surely, 2^27864058 is an apocalyptic number.

27864058 is a deficient number, since it is larger than the sum of its proper divisors (13932032).

27864058 is a wasteful number, since it uses less digits than its factorization.

27864058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932031.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 27864058 is about 5278.6416813419. The cubic root of 27864058 is about 303.1666711833.

The spelling of 27864058 in words is "twenty-seven million, eight hundred sixty-four thousand, fifty-eight".