26514585889 has 27 divisors (see below), whose sum is σ = 29630500627. Its totient is φ = 23708484800.

The previous prime is 26514585847. The next prime is 26514585919. The reversal of 26514585889 is 98858541562.

The square root of 26514585889 is 162833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 467208225 + 26047377664 = 21615^2 + 161392^2 .

It is not a de Polignac number, because 26514585889 - 2¹⁷ = 26514454817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26514585389) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 202401354 + ... + 202401484.

Almost surely, 2^26514585889 is an apocalyptic number.

26514585889 is the 162833-rd square number.

26514585889 is the 81417-th centered octagonal number.

It is an amenable number.

26514585889 is a deficient number, since it is larger than the sum of its proper divisors (3115914738).

26514585889 is an equidigital number, since it uses as much as digits as its factorization.

26514585889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 255 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 61.

The spelling of 26514585889 in words is "twenty-six billion, five hundred fourteen million, five hundred eighty-five thousand, eight hundred eighty-nine".