26830847867 has 2 divisors, whose sum is σ = 26830847868. Its totient is φ = 26830847866.

The previous prime is 26830847861. The next prime is 26830847893. The reversal of 26830847867 is 76874803862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26830847867 - 2¹⁰ = 26830846843 is a prime.

It is not a weakly prime, because it can be changed into another prime (26830847861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13415423933 + 13415423934.

It is an arithmetic number, because the mean of its divisors is an integer number (13415423934).

Almost surely, 2^26830847867 is an apocalyptic number.

26830847867 is a deficient number, since it is larger than the sum of its proper divisors (1).

26830847867 is an equidigital number, since it uses as much as digits as its factorization.

26830847867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 26830847867 in words is "twenty-six billion, eight hundred thirty million, eight hundred forty-seven thousand, eight hundred sixty-seven".