26830207 has 4 divisors (see below), whose sum is σ = 27131760. Its totient is φ = 26528656.

The previous prime is 26830189. The next prime is 26830231. The reversal of 26830207 is 70203862.

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

It is a cyclic number.

It is not a de Polignac number, because 26830207 - 2⁷ = 26830079 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830247) 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, 150643 + ... + 150820.

It is an arithmetic number, because the mean of its divisors is an integer number (6782940).

Almost surely, 2^26830207 is an apocalyptic number.

26830207 is a deficient number, since it is larger than the sum of its proper divisors (301553).

26830207 is an equidigital number, since it uses as much as digits as its factorization.

26830207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301552.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26830207 is about 5179.7883161380. The cubic root of 26830207 is about 299.3698141834.

The spelling of 26830207 in words is "twenty-six million, eight hundred thirty thousand, two hundred seven".