27860157 has 24 divisors (see below), whose sum is σ = 43625400. Its totient is φ = 17132544.

The previous prime is 27860113. The next prime is 27860159. The reversal of 27860157 is 75106872.

It can be written as a sum of positive squares in 4 ways, for example, as 17690436 + 10169721 = 4206^2 + 3189^2 .

It is not a de Polignac number, because 27860157 - 2¹⁶ = 27794621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27860159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19069 + ... + 20477.

It is an arithmetic number, because the mean of its divisors is an integer number (1817725).

Almost surely, 2^27860157 is an apocalyptic number.

It is an amenable number.

27860157 is a deficient number, since it is larger than the sum of its proper divisors (15765243).

27860157 is a wasteful number, since it uses less digits than its factorization.

27860157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 27860157 is about 5278.2721604707. The cubic root of 27860157 is about 303.1525226294.

The spelling of 27860157 in words is "twenty-seven million, eight hundred sixty thousand, one hundred fifty-seven".