26157117 has 16 divisors (see below), whose sum is σ = 40272512. Its totient is φ = 14791680.

The previous prime is 26157107. The next prime is 26157133. The reversal of 26157117 is 71175162.

It is not a de Polignac number, because 26157117 - 2¹¹ = 26155069 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26157107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4384 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (2517032).

Almost surely, 2^26157117 is an apocalyptic number.

It is an amenable number.

26157117 is a deficient number, since it is larger than the sum of its proper divisors (14115395).

26157117 is a wasteful number, since it uses less digits than its factorization.

26157117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948.

The product of its digits is 2940, while the sum is 30.

The square root of 26157117 is about 5114.4028976998. The cubic root of 26157117 is about 296.8451504910.

The spelling of 26157117 in words is "twenty-six million, one hundred fifty-seven thousand, one hundred seventeen".