26134187868 has 96 divisors (see below), whose sum is σ = 73780896000. Its totient is φ = 7968300480.

The previous prime is 26134187867. The next prime is 26134187917. The reversal of 26134187868 is 86878143162.

26134187868 is a `hidden beast` number, since 2 + 613 + 4 + 18 + 7 + 8 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26134187867) 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 31 ways as a sum of consecutive naturals, for example, 160078 + ... + 279093.

It is an arithmetic number, because the mean of its divisors is an integer number (768551000).

Almost surely, 2^26134187868 is an apocalyptic number.

It is an amenable number.

26134187868 is an abundant number, since it is smaller than the sum of its proper divisors (47646708132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26134187868 is a wasteful number, since it uses less digits than its factorization.

26134187868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439232 (or 439224 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 26134187868 in words is "twenty-six billion, one hundred thirty-four million, one hundred eighty-seven thousand, eight hundred sixty-eight".