27088730969 has 2 divisors, whose sum is σ = 27088730970. Its totient is φ = 27088730968.

The previous prime is 27088730923. The next prime is 27088730983. The reversal of 27088730969 is 96903788072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21195865744 + 5892865225 = 145588^2 + 76765^2 .

It is a cyclic number.

It is not a de Polignac number, because 27088730969 - 2¹⁶ = 27088665433 is a prime.

It is a super-2 number, since 2×27088730969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27088730569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544365484 + 13544365485.

It is an arithmetic number, because the mean of its divisors is an integer number (13544365485).

Almost surely, 2^27088730969 is an apocalyptic number.

It is an amenable number.

27088730969 is a deficient number, since it is larger than the sum of its proper divisors (1).

27088730969 is an equidigital number, since it uses as much as digits as its factorization.

27088730969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 27088730969 in words is "twenty-seven billion, eighty-eight million, seven hundred thirty thousand, nine hundred sixty-nine".