26984332867 has 2 divisors, whose sum is σ = 26984332868. Its totient is φ = 26984332866.

The previous prime is 26984332861. The next prime is 26984332967. The reversal of 26984332867 is 76823348962.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26984332867 is a prime.

It is not a weakly prime, because it can be changed into another prime (26984332861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13492166433 + 13492166434.

It is an arithmetic number, because the mean of its divisors is an integer number (13492166434).

Almost surely, 2^26984332867 is an apocalyptic number.

26984332867 is a deficient number, since it is larger than the sum of its proper divisors (1).

26984332867 is an equidigital number, since it uses as much as digits as its factorization.

26984332867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 58.

The spelling of 26984332867 in words is "twenty-six billion, nine hundred eighty-four million, three hundred thirty-two thousand, eight hundred sixty-seven".