26081734087 has 2 divisors, whose sum is σ = 26081734088. Its totient is φ = 26081734086.

The previous prime is 26081734061. The next prime is 26081734171. The reversal of 26081734087 is 78043718062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26081734087 - 2¹⁹ = 26081209799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26081734027) 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 as a sum of consecutive naturals, namely, 13040867043 + 13040867044.

It is an arithmetic number, because the mean of its divisors is an integer number (13040867044).

Almost surely, 2^26081734087 is an apocalyptic number.

26081734087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26081734087 is an equidigital number, since it uses as much as digits as its factorization.

26081734087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 26081734087 in words is "twenty-six billion, eighty-one million, seven hundred thirty-four thousand, eighty-seven".