27611643883 has 2 divisors, whose sum is σ = 27611643884. Its totient is φ = 27611643882.

The previous prime is 27611643877. The next prime is 27611643953. The reversal of 27611643883 is 38834611672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27611643883 is a prime.

It is a super-2 number, since 2×27611643883² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27611643803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805821941 + 13805821942.

It is an arithmetic number, because the mean of its divisors is an integer number (13805821942).

Almost surely, 2^27611643883 is an apocalyptic number.

27611643883 is a deficient number, since it is larger than the sum of its proper divisors (1).

27611643883 is an equidigital number, since it uses as much as digits as its factorization.

27611643883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The spelling of 27611643883 in words is "twenty-seven billion, six hundred eleven million, six hundred forty-three thousand, eight hundred eighty-three".