26996221417 has 16 divisors (see below), whose sum is σ = 29872874304. Its totient is φ = 24192000000.

The previous prime is 26996221403. The next prime is 26996221433. The reversal of 26996221417 is 71412269962.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26996221417 - 2²⁷ = 26862003689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26996221487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217417 + ... + 318217.

It is an arithmetic number, because the mean of its divisors is an integer number (1867054644).

Almost surely, 2^26996221417 is an apocalyptic number.

It is an amenable number.

26996221417 is a deficient number, since it is larger than the sum of its proper divisors (2876652887).

26996221417 is a wasteful number, since it uses less digits than its factorization.

26996221417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101160.

The product of its digits is 653184, while the sum is 49.

The spelling of 26996221417 in words is "twenty-six billion, nine hundred ninety-six million, two hundred twenty-one thousand, four hundred seventeen".