27784677883 has 2 divisors, whose sum is σ = 27784677884. Its totient is φ = 27784677882.

The previous prime is 27784677847. The next prime is 27784677887. The reversal of 27784677883 is 38877648772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27784677883 is a prime.

It is not a weakly prime, because it can be changed into another prime (27784677887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13892338941 + 13892338942.

It is an arithmetic number, because the mean of its divisors is an integer number (13892338942).

Almost surely, 2^27784677883 is an apocalyptic number.

27784677883 is a deficient number, since it is larger than the sum of its proper divisors (1).

27784677883 is an equidigital number, since it uses as much as digits as its factorization.

27784677883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 177020928, while the sum is 67.

The spelling of 27784677883 in words is "twenty-seven billion, seven hundred eighty-four million, six hundred seventy-seven thousand, eight hundred eighty-three".