27240659287 has 2 divisors, whose sum is σ = 27240659288. Its totient is φ = 27240659286.

The previous prime is 27240659279. The next prime is 27240659297. The reversal of 27240659287 is 78295604272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27240659287 - 2³ = 27240659279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27240659207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13620329643 + 13620329644.

It is an arithmetic number, because the mean of its divisors is an integer number (13620329644).

Almost surely, 2^27240659287 is an apocalyptic number.

27240659287 is a deficient number, since it is larger than the sum of its proper divisors (1).

27240659287 is an equidigital number, since it uses as much as digits as its factorization.

27240659287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 27240659287 in words is "twenty-seven billion, two hundred forty million, six hundred fifty-nine thousand, two hundred eighty-seven".