27760243751 has 2 divisors, whose sum is σ = 27760243752. Its totient is φ = 27760243750.

The previous prime is 27760243747. The next prime is 27760243769. The reversal of 27760243751 is 15734206772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27760243751 - 2² = 27760243747 is a prime.

It is a super-2 number, since 2×27760243751² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27760243711) 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 as a sum of consecutive naturals, namely, 13880121875 + 13880121876.

It is an arithmetic number, because the mean of its divisors is an integer number (13880121876).

Almost surely, 2^27760243751 is an apocalyptic number.

27760243751 is a deficient number, since it is larger than the sum of its proper divisors (1).

27760243751 is an equidigital number, since it uses as much as digits as its factorization.

27760243751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 27760243751 in words is "twenty-seven billion, seven hundred sixty million, two hundred forty-three thousand, seven hundred fifty-one".