26875597117 has 2 divisors, whose sum is σ = 26875597118. Its totient is φ = 26875597116.

The previous prime is 26875597087. The next prime is 26875597123. The reversal of 26875597117 is 71179557862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16387584196 + 10488012921 = 128014^2 + 102411^2 .

It is a cyclic number.

It is not a de Polignac number, because 26875597117 - 2⁷ = 26875596989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26875597417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13437798558 + 13437798559.

It is an arithmetic number, because the mean of its divisors is an integer number (13437798559).

Almost surely, 2^26875597117 is an apocalyptic number.

It is an amenable number.

26875597117 is a deficient number, since it is larger than the sum of its proper divisors (1).

26875597117 is an equidigital number, since it uses as much as digits as its factorization.

26875597117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 58.

The spelling of 26875597117 in words is "twenty-six billion, eight hundred seventy-five million, five hundred ninety-seven thousand, one hundred seventeen".