26842897 has 2 divisors, whose sum is σ = 26842898. Its totient is φ = 26842896.

The previous prime is 26842889. The next prime is 26842913. The reversal of 26842897 is 79824862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 2989441 = 4884^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 26842897 - 2³ = 26842889 is a prime.

It is a super-2 number, since 2×26842897² = 1441082238705218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26842297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13421448 + 13421449.

It is an arithmetic number, because the mean of its divisors is an integer number (13421449).

Almost surely, 2^26842897 is an apocalyptic number.

It is an amenable number.

26842897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26842897 is an equidigital number, since it uses as much as digits as its factorization.

26842897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 26842897 is about 5181.0131248627. The cubic root of 26842897 is about 299.4170048264.

The spelling of 26842897 in words is "twenty-six million, eight hundred forty-two thousand, eight hundred ninety-seven".