26080191 has 16 divisors (see below), whose sum is σ = 39129600. Its totient is φ = 17165304.

The previous prime is 26080189. The next prime is 26080213. The reversal of 26080191 is 19108062.

It is not a de Polignac number, because 26080191 - 2¹ = 26080189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26080291) 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, 3981 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (2445600).

Almost surely, 2^26080191 is an apocalyptic number.

26080191 is a deficient number, since it is larger than the sum of its proper divisors (13049409).

26080191 is a wasteful number, since it uses less digits than its factorization.

26080191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315 (or 12309 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 26080191 is about 5106.8768342305. The cubic root of 26080191 is about 296.5538654320.

The spelling of 26080191 in words is "twenty-six million, eighty thousand, one hundred ninety-one".