26897679 has 6 divisors (see below), whose sum is σ = 38852216. Its totient is φ = 17931780.

The previous prime is 26897617. The next prime is 26897699. The reversal of 26897679 is 97679862.

It is not a de Polignac number, because 26897679 - 2⁷ = 26897551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26897609) 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, 1494307 + ... + 1494324.

Almost surely, 2^26897679 is an apocalyptic number.

26897679 is a deficient number, since it is larger than the sum of its proper divisors (11954537).

26897679 is a wasteful number, since it uses less digits than its factorization.

26897679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988637 (or 2988634 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 26897679 is about 5186.2972340582. The cubic root of 26897679 is about 299.6205536038.

The spelling of 26897679 in words is "twenty-six million, eight hundred ninety-seven thousand, six hundred seventy-nine".