27741330765 has 48 divisors (see below), whose sum is σ = 49886928000. Its totient is φ = 14789138112.

The previous prime is 27741330763. The next prime is 27741330811. The reversal of 27741330765 is 56703314772.

27741330765 is a `hidden beast` number, since 277 + 4 + 13 + 307 + 65 = 666.

It is not a de Polignac number, because 27741330765 - 2¹ = 27741330763 is a prime.

It is a super-2 number, since 2×27741330765² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27741330765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27741330763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5135536 + ... + 5140934.

It is an arithmetic number, because the mean of its divisors is an integer number (1039311000).

Almost surely, 2^27741330765 is an apocalyptic number.

It is an amenable number.

27741330765 is a deficient number, since it is larger than the sum of its proper divisors (22145597235).

27741330765 is an equidigital number, since it uses as much as digits as its factorization.

27741330765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 9636 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 27741330765 in words is "twenty-seven billion, seven hundred forty-one million, three hundred thirty thousand, seven hundred sixty-five".