26978841 has 12 divisors (see below), whose sum is σ = 41020720. Its totient is φ = 17039160.

The previous prime is 26978821. The next prime is 26978843. The reversal of 26978841 is 14887962.

It is not a de Polignac number, because 26978841 - 2¹⁴ = 26962457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26978843) 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 11 ways as a sum of consecutive naturals, for example, 78715 + ... + 79056.

Almost surely, 2^26978841 is an apocalyptic number.

It is an amenable number.

26978841 is a deficient number, since it is larger than the sum of its proper divisors (14041879).

26978841 is a wasteful number, since it uses less digits than its factorization.

26978841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157796 (or 157793 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 26978841 is about 5194.1159979346. The cubic root of 26978841 is about 299.9216128533.

The spelling of 26978841 in words is "twenty-six million, nine hundred seventy-eight thousand, eight hundred forty-one".