26887163 has 2 divisors, whose sum is σ = 26887164. Its totient is φ = 26887162.

The previous prime is 26887127. The next prime is 26887171. The reversal of 26887163 is 36178862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26887163 - 2⁶ = 26887099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26887163.

It is not a weakly prime, because it can be changed into another prime (26887463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13443581 + 13443582.

It is an arithmetic number, because the mean of its divisors is an integer number (13443582).

Almost surely, 2^26887163 is an apocalyptic number.

26887163 is a deficient number, since it is larger than the sum of its proper divisors (1).

26887163 is an equidigital number, since it uses as much as digits as its factorization.

26887163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 26887163 is about 5185.2833095213. The cubic root of 26887163 is about 299.5815016538.

The spelling of 26887163 in words is "twenty-six million, eight hundred eighty-seven thousand, one hundred sixty-three".