26864081 has 8 divisors (see below), whose sum is σ = 28560000. Its totient is φ = 25196400.

The previous prime is 26864077. The next prime is 26864093. The reversal of 26864081 is 18046862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26864081 - 2² = 26864077 is a prime.

It is a super-2 number, since 2×26864081² = 1443357695949122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26864041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (3570000).

Almost surely, 2^26864081 is an apocalyptic number.

It is an amenable number.

26864081 is a deficient number, since it is larger than the sum of its proper divisors (1695919).

26864081 is a wasteful number, since it uses less digits than its factorization.

26864081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14119.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 26864081 is about 5183.0571094673. The cubic root of 26864081 is about 299.4957492083.

The spelling of 26864081 in words is "twenty-six million, eight hundred sixty-four thousand, eighty-one".