26823828269 has 8 divisors (see below), whose sum is σ = 31988664960. Its totient is φ = 21992206896.

The previous prime is 26823828221. The next prime is 26823828271. The reversal of 26823828269 is 96282832862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26823828269 is a prime.

It is a super-2 number, since 2×26823828269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26823828289) 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 7 ways as a sum of consecutive naturals, for example, 83303654 + ... + 83303975.

It is an arithmetic number, because the mean of its divisors is an integer number (3998583120).

Almost surely, 2^26823828269 is an apocalyptic number.

It is an amenable number.

26823828269 is a deficient number, since it is larger than the sum of its proper divisors (5164836691).

26823828269 is a wasteful number, since it uses less digits than its factorization.

26823828269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166607659.

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

The spelling of 26823828269 in words is "twenty-six billion, eight hundred twenty-three million, eight hundred twenty-eight thousand, two hundred sixty-nine".