26117087 has 4 divisors (see below), whose sum is σ = 26187480. Its totient is φ = 26046696.

The previous prime is 26117059. The next prime is 26117129. The reversal of 26117087 is 78071162.

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 26117087 - 2¹² = 26112991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26117017) 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, 34637 + ... + 35382.

It is an arithmetic number, because the mean of its divisors is an integer number (6546870).

Almost surely, 2^26117087 is an apocalyptic number.

26117087 is a deficient number, since it is larger than the sum of its proper divisors (70393).

26117087 is an equidigital number, since it uses as much as digits as its factorization.

26117087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70392.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 26117087 is about 5110.4879414788. The cubic root of 26117087 is about 296.6936457951.

The spelling of 26117087 in words is "twenty-six million, one hundred seventeen thousand, eighty-seven".