27781027567073 has 8 divisors (see below), whose sum is σ = 31284206996736. Its totient is φ = 24440786715600.

The previous prime is 27781027567067. The next prime is 27781027567079. The reversal of 27781027567073 is 37076572018772.

It is an interprime number because it is at equal distance from previous prime (27781027567067) and next prime (27781027567079).

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 27781027567073 - 2¹⁰ = 27781027566049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27781027566997 and 27781027567015.

It is not an unprimeable number, because it can be changed into a prime (27781027567079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40734644186 + ... + 40734644867.

It is an arithmetic number, because the mean of its divisors is an integer number (3910525874592).

Almost surely, 2^{27781027567073} is an apocalyptic number.

It is an amenable number.

27781027567073 is a deficient number, since it is larger than the sum of its proper divisors (3503179429663).

27781027567073 is a wasteful number, since it uses less digits than its factorization.

27781027567073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81469289095.

The product of its (nonzero) digits is 48404160, while the sum is 62.

The spelling of 27781027567073 in words is "twenty-seven trillion, seven hundred eighty-one billion, twenty-seven million, five hundred sixty-seven thousand, seventy-three".