26959897 has 2 divisors, whose sum is σ = 26959898. Its totient is φ = 26959896.

The previous prime is 26959871. The next prime is 26959903. The reversal of 26959897 is 79895962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26790976 + 168921 = 5176^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 26959897 - 2¹⁵ = 26927129 is a prime.

It is not a weakly prime, because it can be changed into another prime (26959817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13479948 + 13479949.

It is an arithmetic number, because the mean of its divisors is an integer number (13479949).

Almost surely, 2^26959897 is an apocalyptic number.

It is an amenable number.

26959897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26959897 is an equidigital number, since it uses as much as digits as its factorization.

26959897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 55.

The square root of 26959897 is about 5192.2920757600. The cubic root of 26959897 is about 299.8513967728.

The spelling of 26959897 in words is "twenty-six million, nine hundred fifty-nine thousand, eight hundred ninety-seven".