26984846669 has 8 divisors (see below), whose sum is σ = 30717928512. Its totient is φ = 23465083840.

The previous prime is 26984846659. The next prime is 26984846677. The reversal of 26984846669 is 96664848962.

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

It is a de Polignac number, because none of the positive numbers 2^k-26984846669 is a prime.

It is a super-2 number, since 2×26984846669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26984846599 and 26984846608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26984846659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53329484 + ... + 53329989.

It is an arithmetic number, because the mean of its divisors is an integer number (3839741064).

Almost surely, 2^26984846669 is an apocalyptic number.

It is an amenable number.

26984846669 is a deficient number, since it is larger than the sum of its proper divisors (3733081843).

26984846669 is a wasteful number, since it uses less digits than its factorization.

26984846669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106659507.

The product of its digits is 214990848, while the sum is 68.

The spelling of 26984846669 in words is "twenty-six billion, nine hundred eighty-four million, eight hundred forty-six thousand, six hundred sixty-nine".