26871423687 has 12 divisors (see below), whose sum is σ = 40501856304. Its totient is φ = 17135400480.

The previous prime is 26871423673. The next prime is 26871423697. The reversal of 26871423687 is 78632417862.

26871423687 is a `hidden beast` number, since 268 + 7 + 14 + 2 + 368 + 7 = 666.

It is not a de Polignac number, because 26871423687 - 2⁴ = 26871423671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26871423697) 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, 64906614 + ... + 64907027.

It is an arithmetic number, because the mean of its divisors is an integer number (3375154692).

Almost surely, 2^26871423687 is an apocalyptic number.

26871423687 is a deficient number, since it is larger than the sum of its proper divisors (13630432617).

26871423687 is a wasteful number, since it uses less digits than its factorization.

26871423687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129813670 (or 129813667 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 26871423687 in words is "twenty-six billion, eight hundred seventy-one million, four hundred twenty-three thousand, six hundred eighty-seven".