26842608839 has 4 divisors (see below), whose sum is σ = 27413728224. Its totient is φ = 26271489456.

The previous prime is 26842608797. The next prime is 26842608889. The reversal of 26842608839 is 93880624862.

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

It is a cyclic number.

It is not a de Polignac number, because 26842608839 - 2¹² = 26842604743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26842608889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285559622 + ... + 285559715.

It is an arithmetic number, because the mean of its divisors is an integer number (6853432056).

Almost surely, 2^26842608839 is an apocalyptic number.

26842608839 is a deficient number, since it is larger than the sum of its proper divisors (571119385).

26842608839 is an equidigital number, since it uses as much as digits as its factorization.

26842608839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571119384.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 26842608839 in words is "twenty-six billion, eight hundred forty-two million, six hundred eight thousand, eight hundred thirty-nine".