26135877668 has 12 divisors (see below), whose sum is σ = 47213198592. Its totient is φ = 12646392360.

The previous prime is 26135877667. The next prime is 26135877679. The reversal of 26135877668 is 86677853162.

It is a super-2 number, since 2×26135877668² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26135877667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105386480 + ... + 105386727.

It is an arithmetic number, because the mean of its divisors is an integer number (3934433216).

Almost surely, 2^26135877668 is an apocalyptic number.

It is an amenable number.

26135877668 is a deficient number, since it is larger than the sum of its proper divisors (21077320924).

26135877668 is a wasteful number, since it uses less digits than its factorization.

26135877668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210773242 (or 210773240 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 26135877668 in words is "twenty-six billion, one hundred thirty-five million, eight hundred seventy-seven thousand, six hundred sixty-eight".