26080861 has 4 divisors (see below), whose sum is σ = 26092800. Its totient is φ = 26068924.

The previous prime is 26080853. The next prime is 26080877. The reversal of 26080861 is 16808062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26080861 - 2³ = 26080853 is a prime.

It is a super-2 number, since 2×26080861² = 1360422621002642, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26080801) 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, 1651 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (6523200).

Almost surely, 2^26080861 is an apocalyptic number.

It is an amenable number.

26080861 is a deficient number, since it is larger than the sum of its proper divisors (11939).

26080861 is an equidigital number, since it uses as much as digits as its factorization.

26080861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 26080861 is about 5106.9424316317. The cubic root of 26080861 is about 296.5564048994.

The spelling of 26080861 in words is "twenty-six million, eighty thousand, eight hundred sixty-one".