26878671 has 6 divisors (see below), whose sum is σ = 38824760. Its totient is φ = 17919108.

The previous prime is 26878627. The next prime is 26878693. The reversal of 26878671 is 17687862.

It is not a de Polignac number, because 26878671 - 2⁷ = 26878543 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 (26878601) 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 5 ways as a sum of consecutive naturals, for example, 1493251 + ... + 1493268.

Almost surely, 2^26878671 is an apocalyptic number.

26878671 is a deficient number, since it is larger than the sum of its proper divisors (11946089).

26878671 is a wasteful number, since it uses less digits than its factorization.

26878671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986525 (or 2986522 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 26878671 is about 5184.4643889220. The cubic root of 26878671 is about 299.5499585466.

The spelling of 26878671 in words is "twenty-six million, eight hundred seventy-eight thousand, six hundred seventy-one".