26969867 has 2 divisors, whose sum is σ = 26969868. Its totient is φ = 26969866.

The previous prime is 26969863. The next prime is 26969879. The reversal of 26969867 is 76896962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26969867 - 2² = 26969863 is a prime.

It is not a weakly prime, because it can be changed into another prime (26969863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484933 + 13484934.

It is an arithmetic number, because the mean of its divisors is an integer number (13484934).

Almost surely, 2^26969867 is an apocalyptic number.

26969867 is a deficient number, since it is larger than the sum of its proper divisors (1).

26969867 is an equidigital number, since it uses as much as digits as its factorization.

26969867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 26969867 is about 5193.2520639769. The cubic root of 26969867 is about 299.8883547526. Note that the first 3 decimals are identical.

The spelling of 26969867 in words is "twenty-six million, nine hundred sixty-nine thousand, eight hundred sixty-seven".