26787611827 has 2 divisors, whose sum is σ = 26787611828. Its totient is φ = 26787611826.

The previous prime is 26787611801. The next prime is 26787611849. The reversal of 26787611827 is 72811678762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26787611827 - 2²⁷ = 26653394099 is a prime.

It is a super-2 number, since 2×26787611827² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26787611857) 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, 13393805913 + 13393805914.

It is an arithmetic number, because the mean of its divisors is an integer number (13393805914).

Almost surely, 2^26787611827 is an apocalyptic number.

26787611827 is a deficient number, since it is larger than the sum of its proper divisors (1).

26787611827 is an equidigital number, since it uses as much as digits as its factorization.

26787611827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 55.

The spelling of 26787611827 in words is "twenty-six billion, seven hundred eighty-seven million, six hundred eleven thousand, eight hundred twenty-seven".