26087741289 has 27 divisors (see below), whose sum is σ = 40041930487. Its totient is φ = 16363610304.

The previous prime is 26087741279. The next prime is 26087741311. The reversal of 26087741289 is 98214778062.

It is a happy number.

The square root of 26087741289 is 161517.

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

26087741289 is a `hidden beast` number, since 2 + 608 + 7 + 7 + 4 + 1 + 28 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20310525225 + 5777216064 = 142515^2 + 76008^2 .

It is not a de Polignac number, because 26087741289 - 2¹⁷ = 26087610217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26087741279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8235784 + ... + 8238950.

Almost surely, 2^26087741289 is an apocalyptic number.

26087741289 is the 161517-th square number.

26087741289 is the 80759-th centered octagonal number.

It is an amenable number.

26087741289 is a deficient number, since it is larger than the sum of its proper divisors (13954189198).

26087741289 is an frugal number, since it uses more digits than its factorization.

26087741289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

It can be divided in two parts, 26087 and 741289, that added together give a square (767376 = 876²).

The spelling of 26087741289 in words is "twenty-six billion, eighty-seven million, seven hundred forty-one thousand, two hundred eighty-nine".