27760243747 has 2 divisors, whose sum is σ = 27760243748. Its totient is φ = 27760243746.

The previous prime is 27760243727. The next prime is 27760243751. The reversal of 27760243747 is 74734206772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27760243747 - 2²⁷ = 27626026019 is a prime.

It is a super-2 number, since 2×27760243747² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27760243747.

It is not a weakly prime, because it can be changed into another prime (27760243727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880121873 + 13880121874.

It is an arithmetic number, because the mean of its divisors is an integer number (13880121874).

Almost surely, 2^27760243747 is an apocalyptic number.

27760243747 is a deficient number, since it is larger than the sum of its proper divisors (1).

27760243747 is an equidigital number, since it uses as much as digits as its factorization.

27760243747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2765952, while the sum is 49.

The spelling of 27760243747 in words is "twenty-seven billion, seven hundred sixty million, two hundred forty-three thousand, seven hundred forty-seven".