26730027117 has 12 divisors (see below), whose sum is σ = 39941420220. Its totient is φ = 17205534528.

The previous prime is 26730027073. The next prime is 26730027131. The reversal of 26730027117 is 71172003762.

It can be written as a sum of positive squares in 2 ways, for example, as 20372994756 + 6357032361 = 142734^2 + 79731^2 .

It is not a de Polignac number, because 26730027117 - 2⁷ = 26730026989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26730027157) 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, 51206688 + ... + 51207209.

It is an arithmetic number, because the mean of its divisors is an integer number (3328451685).

Almost surely, 2^26730027117 is an apocalyptic number.

It is an amenable number.

26730027117 is a deficient number, since it is larger than the sum of its proper divisors (13211393103).

26730027117 is a wasteful number, since it uses less digits than its factorization.

26730027117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102413932 (or 102413929 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 26730027117 in words is "twenty-six billion, seven hundred thirty million, twenty-seven thousand, one hundred seventeen".