26842666279 has 64 divisors (see below), whose sum is σ = 33437859840. Its totient is φ = 21215416320.

The previous prime is 26842666267. The next prime is 26842666321. The reversal of 26842666279 is 97266624862.

It is a cyclic number.

It is not a de Polignac number, because 26842666279 - 2⁹ = 26842665767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26842666979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28893687 + ... + 28894615.

It is an arithmetic number, because the mean of its divisors is an integer number (522466560).

Almost surely, 2^26842666279 is an apocalyptic number.

26842666279 is a deficient number, since it is larger than the sum of its proper divisors (6595193561).

26842666279 is a wasteful number, since it uses less digits than its factorization.

26842666279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 20901888, while the sum is 58.

The spelling of 26842666279 in words is "twenty-six billion, eight hundred forty-two million, six hundred sixty-six thousand, two hundred seventy-nine".