26084816873 has 4 divisors (see below), whose sum is σ = 26121608580. Its totient is φ = 26048025168.

The previous prime is 26084816869. The next prime is 26084816929. The reversal of 26084816873 is 37861848062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6194791849 + 19890025024 = 78707^2 + 141032^2 .

It is a cyclic number.

It is not a de Polignac number, because 26084816873 - 2² = 26084816869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26084816803) 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 3 ways as a sum of consecutive naturals, for example, 18394790 + ... + 18396207.

It is an arithmetic number, because the mean of its divisors is an integer number (6530402145).

Almost surely, 2^26084816873 is an apocalyptic number.

It is an amenable number.

26084816873 is a deficient number, since it is larger than the sum of its proper divisors (36791707).

26084816873 is an equidigital number, since it uses as much as digits as its factorization.

26084816873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36791706.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 26084816873 in words is "twenty-six billion, eighty-four million, eight hundred sixteen thousand, eight hundred seventy-three".