26981027 has 4 divisors (see below), whose sum is σ = 27033336. Its totient is φ = 26928720.

The previous prime is 26980999. The next prime is 26981033. The reversal of 26981027 is 72018962.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72018962 = 2 ⋅36009481.

It is a cyclic number.

It is not a de Polignac number, because 26981027 - 2⁶ = 26980963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26981627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25373 + ... + 26414.

It is an arithmetic number, because the mean of its divisors is an integer number (6758334).

Almost surely, 2^26981027 is an apocalyptic number.

26981027 is a deficient number, since it is larger than the sum of its proper divisors (52309).

26981027 is an equidigital number, since it uses as much as digits as its factorization.

26981027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52308.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 26981027 is about 5194.3264240900. The cubic root of 26981027 is about 299.9297131635.

Adding to 26981027 its reverse (72018962), we get a palindrome (98999989).

The spelling of 26981027 in words is "twenty-six million, nine hundred eighty-one thousand, twenty-seven".