27379851 has 12 divisors (see below), whose sum is σ = 37726056. Its totient is φ = 17662560.

The previous prime is 27379837. The next prime is 27379873. The reversal of 27379851 is 15897372.

It is a de Polignac number, because none of the positive numbers 2^k-27379851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27379811) 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, 1866 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (3143838).

Almost surely, 2^27379851 is an apocalyptic number.

27379851 is a deficient number, since it is larger than the sum of its proper divisors (10346205).

27379851 is an equidigital number, since it uses as much as digits as its factorization.

27379851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9531 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 27379851 is about 5232.5759430705. The cubic root of 27379851 is about 301.4003091667.

The spelling of 27379851 in words is "twenty-seven million, three hundred seventy-nine thousand, eight hundred fifty-one".