26885112887 has 2 divisors, whose sum is σ = 26885112888. Its totient is φ = 26885112886.

The previous prime is 26885112833. The next prime is 26885112923. The reversal of 26885112887 is 78821158862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26885112887 - 2¹² = 26885108791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26885112187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13442556443 + 13442556444.

It is an arithmetic number, because the mean of its divisors is an integer number (13442556444).

Almost surely, 2^26885112887 is an apocalyptic number.

26885112887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26885112887 is an equidigital number, since it uses as much as digits as its factorization.

26885112887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3440640, while the sum is 56.

The spelling of 26885112887 in words is "twenty-six billion, eight hundred eighty-five million, one hundred twelve thousand, eight hundred eighty-seven".