27950887 has 2 divisors, whose sum is σ = 27950888. Its totient is φ = 27950886.

The previous prime is 27950863. The next prime is 27950921. The reversal of 27950887 is 78805972.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27950887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27950827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13975443 + 13975444.

It is an arithmetic number, because the mean of its divisors is an integer number (13975444).

Almost surely, 2^27950887 is an apocalyptic number.

27950887 is a deficient number, since it is larger than the sum of its proper divisors (1).

27950887 is an equidigital number, since it uses as much as digits as its factorization.

27950887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 27950887 is about 5286.8598430448. The cubic root of 27950887 is about 303.4812504306.

The spelling of 27950887 in words is "twenty-seven million, nine hundred fifty thousand, eight hundred eighty-seven".