26664893 has 4 divisors (see below), whose sum is σ = 26695200. Its totient is φ = 26634588.

The previous prime is 26664881. The next prime is 26664899. The reversal of 26664893 is 39846662.

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.

It is a cyclic number.

It is not a de Polignac number, because 26664893 - 2¹⁴ = 26648509 is a prime.

It is a super-2 number, since 2×26664893² = 1422033037402898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26664899) 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, 13793 + ... + 15606.

It is an arithmetic number, because the mean of its divisors is an integer number (6673800).

Almost surely, 2^26664893 is an apocalyptic number.

It is an amenable number.

26664893 is a deficient number, since it is larger than the sum of its proper divisors (30307).

26664893 is an equidigital number, since it uses as much as digits as its factorization.

26664893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30306.

The product of its digits is 373248, while the sum is 44.

The square root of 26664893 is about 5163.8060575510. The cubic root of 26664893 is about 298.7536925251.

The spelling of 26664893 in words is "twenty-six million, six hundred sixty-four thousand, eight hundred ninety-three".