26082691 has 4 divisors (see below), whose sum is σ = 26233632. Its totient is φ = 25931752.

The previous prime is 26082689. The next prime is 26082733. The reversal of 26082691 is 19628062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26082691 - 2¹ = 26082689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26082671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75211 + ... + 75556.

It is an arithmetic number, because the mean of its divisors is an integer number (6558408).

Almost surely, 2^26082691 is an apocalyptic number.

26082691 is a deficient number, since it is larger than the sum of its proper divisors (150941).

26082691 is a wasteful number, since it uses less digits than its factorization.

26082691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150940.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 26082691 is about 5107.1215963593. The cubic root of 26082691 is about 296.5633408352.

The spelling of 26082691 in words is "twenty-six million, eighty-two thousand, six hundred ninety-one".