26856735834 has 16 divisors (see below), whose sum is σ = 53790104160. Its totient is φ = 8939473200.

The previous prime is 26856735833. The next prime is 26856735863. The reversal of 26856735834 is 43853765862.

It is not an unprimeable number, because it can be changed into a prime (26856735833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3188464 + ... + 3196875.

It is an arithmetic number, because the mean of its divisors is an integer number (3361881510).

Almost surely, 2^26856735834 is an apocalyptic number.

26856735834 is an abundant number, since it is smaller than the sum of its proper divisors (26933368326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26856735834 is a wasteful number, since it uses less digits than its factorization.

26856735834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386045.

The product of its digits is 29030400, while the sum is 57.

The spelling of 26856735834 in words is "twenty-six billion, eight hundred fifty-six million, seven hundred thirty-five thousand, eight hundred thirty-four".