27766047733 has 4 divisors (see below), whose sum is σ = 27766739968. Its totient is φ = 27765355500.

The previous prime is 27766047707. The next prime is 27766047779. The reversal of 27766047733 is 33774066772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27766047733 - 2¹³ = 27766039541 is a prime.

It is a super-2 number, since 2×27766047733² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766047703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281991 + ... + 367492.

It is an arithmetic number, because the mean of its divisors is an integer number (6941684992).

Almost surely, 2^27766047733 is an apocalyptic number.

It is an amenable number.

27766047733 is a deficient number, since it is larger than the sum of its proper divisors (692235).

27766047733 is an equidigital number, since it uses as much as digits as its factorization.

27766047733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692234.

The product of its (nonzero) digits is 6223392, while the sum is 52.

The spelling of 27766047733 in words is "twenty-seven billion, seven hundred sixty-six million, forty-seven thousand, seven hundred thirty-three".