26827927013 has 4 divisors (see below), whose sum is σ = 26889885708. Its totient is φ = 26765968320.

The previous prime is 26827926943. The next prime is 26827927037. The reversal of 26827927013 is 31072972862.

It is a happy number.

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 11916342244 + 14911584769 = 109162^2 + 122113^2 .

It is a cyclic number.

It is not a de Polignac number, because 26827927013 - 2¹⁶ = 26827861477 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 (26827927043) 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, 30978698 + ... + 30979563.

It is an arithmetic number, because the mean of its divisors is an integer number (6722471427).

Almost surely, 2^26827927013 is an apocalyptic number.

It is an amenable number.

26827927013 is a deficient number, since it is larger than the sum of its proper divisors (61958695).

26827927013 is an equidigital number, since it uses as much as digits as its factorization.

26827927013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61958694.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 26827927013 in words is "twenty-six billion, eight hundred twenty-seven million, nine hundred twenty-seven thousand, thirteen".