26113689 has 12 divisors (see below), whose sum is σ = 43108416. Its totient is φ = 14922072.

The previous prime is 26113669. The next prime is 26113697. The reversal of 26113689 is 98631162.

26113689 is a `hidden beast` number, since 2 + 611 + 36 + 8 + 9 = 666.

It is not a de Polignac number, because 26113689 - 2⁷ = 26113561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26113609) 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, 207189 + ... + 207314.

It is an arithmetic number, because the mean of its divisors is an integer number (3592368).

Almost surely, 2^26113689 is an apocalyptic number.

It is an amenable number.

26113689 is a deficient number, since it is larger than the sum of its proper divisors (16994727).

26113689 is a wasteful number, since it uses less digits than its factorization.

26113689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414516 (or 414513 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 26113689 is about 5110.1554770868. The cubic root of 26113689 is about 296.6807779903.

The spelling of 26113689 in words is "twenty-six million, one hundred thirteen thousand, six hundred eighty-nine".