26665460027 has 2 divisors, whose sum is σ = 26665460028. Its totient is φ = 26665460026.

The previous prime is 26665460023. The next prime is 26665460039. The reversal of 26665460027 is 72006456662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26665460027 - 2² = 26665460023 is a prime.

It is a super-2 number, since 2×26665460027² (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 26665460027.

It is not a weakly prime, because it can be changed into another prime (26665460023) 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, 13332730013 + 13332730014.

It is an arithmetic number, because the mean of its divisors is an integer number (13332730014).

Almost surely, 2^26665460027 is an apocalyptic number.

26665460027 is a deficient number, since it is larger than the sum of its proper divisors (1).

26665460027 is an equidigital number, since it uses as much as digits as its factorization.

26665460027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 26665460027 in words is "twenty-six billion, six hundred sixty-five million, four hundred sixty thousand, twenty-seven".