27042851 has 12 divisors (see below), whose sum is σ = 29919912. Its totient is φ = 24240000.

The previous prime is 27042823. The next prime is 27042853. The reversal of 27042851 is 15824072.

It is not a de Polignac number, because 27042851 - 2²² = 22848547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27042853) 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 11 ways as a sum of consecutive naturals, for example, 112091 + ... + 112331.

It is an arithmetic number, because the mean of its divisors is an integer number (2493326).

Almost surely, 2^27042851 is an apocalyptic number.

27042851 is a deficient number, since it is larger than the sum of its proper divisors (2877061).

27042851 is a wasteful number, since it uses less digits than its factorization.

27042851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 27042851 is about 5200.2741273898. The cubic root of 27042851 is about 300.1586235212.

It can be divided in two parts, 2704 and 2851, that added together give a palindrome (5555).

The spelling of 27042851 in words is "twenty-seven million, forty-two thousand, eight hundred fifty-one".