27851057 has 8 divisors (see below), whose sum is σ = 30691584. Its totient is φ = 25110288.

The previous prime is 27851041. The next prime is 27851059. The reversal of 27851057 is 75015872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27851057 - 2⁴ = 27851041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27851059) 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 7 ways as a sum of consecutive naturals, for example, 24353 + ... + 25470.

It is an arithmetic number, because the mean of its divisors is an integer number (3836448).

Almost surely, 2^27851057 is an apocalyptic number.

It is an amenable number.

27851057 is a deficient number, since it is larger than the sum of its proper divisors (2840527).

27851057 is a wasteful number, since it uses less digits than its factorization.

27851057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 27851057 is about 5277.4100655530. The cubic root of 27851057 is about 303.1195126650.

The spelling of 27851057 in words is "twenty-seven million, eight hundred fifty-one thousand, fifty-seven".