26984084017 has 8 divisors (see below), whose sum is σ = 29500767360. Its totient is φ = 24477998160.

The previous prime is 26984084011. The next prime is 26984084021. The reversal of 26984084017 is 71048048962.

It is a happy number.

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-26984084017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26984084011) 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, 2644042 + ... + 2654227.

It is an arithmetic number, because the mean of its divisors is an integer number (3687595920).

Almost surely, 2^26984084017 is an apocalyptic number.

It is an amenable number.

26984084017 is a deficient number, since it is larger than the sum of its proper divisors (2516683343).

26984084017 is a wasteful number, since it uses less digits than its factorization.

26984084017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298743.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 26984084017 in words is "twenty-six billion, nine hundred eighty-four million, eighty-four thousand, seventeen".