26850069 has 8 divisors (see below), whose sum is σ = 39777920. Its totient is φ = 17900028.

The previous prime is 26850067. The next prime is 26850077. The reversal of 26850069 is 96005862.

It is not a de Polignac number, because 26850069 - 2¹ = 26850067 is a prime.

It is a super-2 number, since 2×26850069² = 1441852410609522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26850067) 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 in 7 ways as a sum of consecutive naturals, for example, 497197 + ... + 497250.

It is an arithmetic number, because the mean of its divisors is an integer number (4972240).

Almost surely, 2^26850069 is an apocalyptic number.

It is an amenable number.

26850069 is a deficient number, since it is larger than the sum of its proper divisors (12927851).

26850069 is an equidigital number, since it uses as much as digits as its factorization.

26850069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994456 (or 994450 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 26850069 is about 5181.7052212568. The cubic root of 26850069 is about 299.4436689570.

The spelling of 26850069 in words is "twenty-six million, eight hundred fifty thousand, sixty-nine".