26680195 has 4 divisors (see below), whose sum is σ = 32016240. Its totient is φ = 21344152.

The previous prime is 26680187. The next prime is 26680211. The reversal of 26680195 is 59108662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59108662 = 2 ⋅29554331.

It is a cyclic number.

It is not a de Polignac number, because 26680195 - 2³ = 26680187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668015 + ... + 2668024.

It is an arithmetic number, because the mean of its divisors is an integer number (8004060).

Almost surely, 2^26680195 is an apocalyptic number.

26680195 is a deficient number, since it is larger than the sum of its proper divisors (5336045).

26680195 is an equidigital number, since it uses as much as digits as its factorization.

26680195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336044.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 26680195 is about 5165.2875040989. The cubic root of 26680195 is about 298.8108295105.

The spelling of 26680195 in words is "twenty-six million, six hundred eighty thousand, one hundred ninety-five".