26868519 has 6 divisors (see below), whose sum is σ = 38810096. Its totient is φ = 17912340.

The previous prime is 26868503. The next prime is 26868521. The reversal of 26868519 is 91586862.

It is not a de Polignac number, because 26868519 - 2⁴ = 26868503 is a prime.

It is a super-2 number, since 2×26868519² = 1443834626506722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1492687 + ... + 1492704.

Almost surely, 2^26868519 is an apocalyptic number.

26868519 is a deficient number, since it is larger than the sum of its proper divisors (11941577).

26868519 is a wasteful number, since it uses less digits than its factorization.

26868519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985397 (or 2985394 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 26868519 is about 5183.4852174960. The cubic root of 26868519 is about 299.5122407328.

It can be divided in two parts, 268685 and 19, that multiplied together give a palindrome (5105015).

The spelling of 26868519 in words is "twenty-six million, eight hundred sixty-eight thousand, five hundred nineteen".