26086772281 has 2 divisors, whose sum is σ = 26086772282. Its totient is φ = 26086772280.

The previous prime is 26086772267. The next prime is 26086772347. The reversal of 26086772281 is 18227768062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25155546025 + 931226256 = 158605^2 + 30516^2 .

It is a cyclic number.

It is not a de Polignac number, because 26086772281 - 2⁵ = 26086772249 is a prime.

It is a super-2 number, since 2×26086772281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26086776281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13043386140 + 13043386141.

It is an arithmetic number, because the mean of its divisors is an integer number (13043386141).

Almost surely, 2^26086772281 is an apocalyptic number.

It is an amenable number.

26086772281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26086772281 is an equidigital number, since it uses as much as digits as its factorization.

26086772281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 26086772281 in words is "twenty-six billion, eighty-six million, seven hundred seventy-two thousand, two hundred eighty-one".