27879051 has 4 divisors (see below), whose sum is σ = 37172072. Its totient is φ = 18586032.

The previous prime is 27879029. The next prime is 27879079. The reversal of 27879051 is 15097872.

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

It is not a de Polignac number, because 27879051 - 2⁷ = 27878923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27879001) 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 in 3 ways as a sum of consecutive naturals, for example, 4646506 + ... + 4646511.

It is an arithmetic number, because the mean of its divisors is an integer number (9293018).

Almost surely, 2^27879051 is an apocalyptic number.

27879051 is a deficient number, since it is larger than the sum of its proper divisors (9293021).

27879051 is an equidigital number, since it uses as much as digits as its factorization.

27879051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293020.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 27879051 is about 5280.0616473674. The cubic root of 27879051 is about 303.2210370727.

The spelling of 27879051 in words is "twenty-seven million, eight hundred seventy-nine thousand, fifty-one".