27756532516 has 6 divisors (see below), whose sum is σ = 48573931910. Its totient is φ = 13878266256.

The previous prime is 27756532513. The next prime is 27756532543. The reversal of 27756532516 is 61523565772.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14827932900 + 12928599616 = 121770^2 + 113704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27756532516.

It is not an unprimeable number, because it can be changed into a prime (27756532513) 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 as a sum of consecutive naturals, namely, 3469566561 + ... + 3469566568.

Almost surely, 2^27756532516 is an apocalyptic number.

It is an amenable number.

27756532516 is a deficient number, since it is larger than the sum of its proper divisors (20817399394).

27756532516 is a wasteful number, since it uses less digits than its factorization.

27756532516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939133133 (or 6939133131 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 49.

The spelling of 27756532516 in words is "twenty-seven billion, seven hundred fifty-six million, five hundred thirty-two thousand, five hundred sixteen".