26256802835 has 4 divisors (see below), whose sum is σ = 31508163408. Its totient is φ = 21005442264.

The previous prime is 26256802807. The next prime is 26256802841. The reversal of 26256802835 is 53820865262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53820865262 = 2 ⋅26910432631.

It is a cyclic number.

It is not a de Polignac number, because 26256802835 - 2¹⁸ = 26256540691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26256802835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625680279 + ... + 2625680288.

It is an arithmetic number, because the mean of its divisors is an integer number (7877040852).

Almost surely, 2^26256802835 is an apocalyptic number.

26256802835 is a deficient number, since it is larger than the sum of its proper divisors (5251360573).

26256802835 is an equidigital number, since it uses as much as digits as its factorization.

26256802835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251360572.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 26256802835 in words is "twenty-six billion, two hundred fifty-six million, eight hundred two thousand, eight hundred thirty-five".