26117086 has 4 divisors (see below), whose sum is σ = 39175632. Its totient is φ = 13058542.

The previous prime is 26117059. The next prime is 26117129. The reversal of 26117086 is 68071162.

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

It is a super-2 number, since 2×26117086² = 1364204362262792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6529270 + ... + 6529273.

It is an arithmetic number, because the mean of its divisors is an integer number (9793908).

Almost surely, 2^26117086 is an apocalyptic number.

26117086 is a deficient number, since it is larger than the sum of its proper divisors (13058546).

26117086 is a wasteful number, since it uses less digits than its factorization.

26117086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058545.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 26117086 is about 5110.4878436408. The cubic root of 26117086 is about 296.6936420084.

The spelling of 26117086 in words is "twenty-six million, one hundred seventeen thousand, eighty-six".