27768412487 has 8 divisors (see below), whose sum is σ = 27835646112. Its totient is φ = 27701255200.

The previous prime is 27768412457. The next prime is 27768412501. The reversal of 27768412487 is 78421486772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27768412487 - 2¹² = 27768408391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768412457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745937 + ... + 782277.

It is an arithmetic number, because the mean of its divisors is an integer number (3479455764).

Almost surely, 2^27768412487 is an apocalyptic number.

27768412487 is a deficient number, since it is larger than the sum of its proper divisors (67233625).

27768412487 is a wasteful number, since it uses less digits than its factorization.

27768412487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38169.

The product of its digits is 8429568, while the sum is 56.

The spelling of 27768412487 in words is "twenty-seven billion, seven hundred sixty-eight million, four hundred twelve thousand, four hundred eighty-seven".