26280700117 has 12 divisors (see below), whose sum is σ = 31618129120. Its totient is φ = 21339200736.

The previous prime is 26280700087. The next prime is 26280700133. The reversal of 26280700117 is 71100708262.

It is a happy number.

It is not a de Polignac number, because 26280700117 - 2¹⁵ = 26280667349 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26280700177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1862553 + ... + 1876609.

Almost surely, 2^26280700117 is an apocalyptic number.

It is an amenable number.

26280700117 is a deficient number, since it is larger than the sum of its proper divisors (5337429003).

26280700117 is an frugal number, since it uses more digits than its factorization.

26280700117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140 (or 14083 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 26280700117 in words is "twenty-six billion, two hundred eighty million, seven hundred thousand, one hundred seventeen".