26800345307 has 4 divisors (see below), whose sum is σ = 27011371776. Its totient is φ = 26589318840.

The previous prime is 26800345289. The next prime is 26800345333. The reversal of 26800345307 is 70354300862.

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 26800345307 - 2¹⁰ = 26800344283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26800345357) 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, 105513044 + ... + 105513297.

It is an arithmetic number, because the mean of its divisors is an integer number (6752842944).

Almost surely, 2^26800345307 is an apocalyptic number.

26800345307 is a deficient number, since it is larger than the sum of its proper divisors (211026469).

26800345307 is a wasteful number, since it uses less digits than its factorization.

26800345307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211026468.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 26800345307 in words is "twenty-six billion, eight hundred million, three hundred forty-five thousand, three hundred seven".