26091879 has 16 divisors (see below), whose sum is σ = 38475264. Its totient is φ = 15595200.

The previous prime is 26091859. The next prime is 26091887. The reversal of 26091879 is 97819062.

It is not a de Polignac number, because 26091879 - 2¹² = 26087783 is a prime.

It is a super-3 number, since 3×26091879³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 26091879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26091809) 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, 3007 + ... + 7824.

It is an arithmetic number, because the mean of its divisors is an integer number (2404704).

Almost surely, 2^26091879 is an apocalyptic number.

26091879 is a deficient number, since it is larger than the sum of its proper divisors (12383385).

26091879 is a wasteful number, since it uses less digits than its factorization.

26091879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 26091879 is about 5108.0210453756. The cubic root of 26091879 is about 296.5981596362.

The spelling of 26091879 in words is "twenty-six million, ninety-one thousand, eight hundred seventy-nine".