27425887 has 2 divisors, whose sum is σ = 27425888. Its totient is φ = 27425886.

The previous prime is 27425869. The next prime is 27425897. The reversal of 27425887 is 78852472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27425887 - 2²³ = 19037279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27425897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712943 + 13712944.

It is an arithmetic number, because the mean of its divisors is an integer number (13712944).

Almost surely, 2^27425887 is an apocalyptic number.

27425887 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425887 is an equidigital number, since it uses as much as digits as its factorization.

27425887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 43.

The square root of 27425887 is about 5236.9730761194. The cubic root of 27425887 is about 301.5691376401.

The spelling of 27425887 in words is "twenty-seven million, four hundred twenty-five thousand, eight hundred eighty-seven".