26871081579 has 12 divisors (see below), whose sum is σ = 38832959256. Its totient is φ = 17905204512.

The previous prime is 26871081577. The next prime is 26871081617. The reversal of 26871081579 is 97518017862.

26871081579 is a `hidden beast` number, since 2 + 68 + 7 + 1 + 0 + 8 + 1 + 579 = 666.

It is not a de Polignac number, because 26871081579 - 2¹ = 26871081577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26871081577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718234 + ... + 754719.

It is an arithmetic number, because the mean of its divisors is an integer number (3236079938).

Almost surely, 2^26871081579 is an apocalyptic number.

26871081579 is a deficient number, since it is larger than the sum of its proper divisors (11961877677).

26871081579 is a wasteful number, since it uses less digits than its factorization.

26871081579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474986 (or 1474983 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 26871081579 in words is "twenty-six billion, eight hundred seventy-one million, eighty-one thousand, five hundred seventy-nine".