26816217679 has 8 divisors (see below), whose sum is σ = 26942153472. Its totient is φ = 26690375040.

The previous prime is 26816217619. The next prime is 26816217683. The reversal of 26816217679 is 97671261862.

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

It is a cyclic number.

It is not a de Polignac number, because 26816217679 - 2¹¹ = 26816215631 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 (26816217619) 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, 591634 + ... + 635344.

It is an arithmetic number, because the mean of its divisors is an integer number (3367769184).

Almost surely, 2^26816217679 is an apocalyptic number.

26816217679 is a deficient number, since it is larger than the sum of its proper divisors (125935793).

26816217679 is a wasteful number, since it uses less digits than its factorization.

26816217679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46577.

The product of its digits is 3048192, while the sum is 55.

The spelling of 26816217679 in words is "twenty-six billion, eight hundred sixteen million, two hundred seventeen thousand, six hundred seventy-nine".