27726680563 has 8 divisors (see below), whose sum is σ = 29187507600. Its totient is φ = 26266006368.

The previous prime is 27726680561. The next prime is 27726680591. The reversal of 27726680563 is 36508662772.

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 27726680563 - 2¹ = 27726680561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27726680563.

It is not an unprimeable number, because it can be changed into a prime (27726680561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704145 + ... + 742477.

It is an arithmetic number, because the mean of its divisors is an integer number (3648438450).

Almost surely, 2^27726680563 is an apocalyptic number.

27726680563 is a deficient number, since it is larger than the sum of its proper divisors (1460827037).

27726680563 is a wasteful number, since it uses less digits than its factorization.

27726680563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76421.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 27726680563 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred eighty thousand, five hundred sixty-three".