27842350687 has 2 divisors, whose sum is σ = 27842350688. Its totient is φ = 27842350686.

The previous prime is 27842350681. The next prime is 27842350693. The reversal of 27842350687 is 78605324872.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (27842350681) and next prime (27842350693).

It is a cyclic number.

It is not a de Polignac number, because 27842350687 - 2¹⁹ = 27841826399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27842350681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921175343 + 13921175344.

It is an arithmetic number, because the mean of its divisors is an integer number (13921175344).

Almost surely, 2^27842350687 is an apocalyptic number.

27842350687 is a deficient number, since it is larger than the sum of its proper divisors (1).

27842350687 is an equidigital number, since it uses as much as digits as its factorization.

27842350687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 27842350687 in words is "twenty-seven billion, eight hundred forty-two million, three hundred fifty thousand, six hundred eighty-seven".