26908894329 has 12 divisors (see below), whose sum is σ = 38113175664. Its totient is φ = 16884011584.

The previous prime is 26908894297. The next prime is 26908894351. The reversal of 26908894329 is 92349880962.

It is a happy number.

It is not a de Polignac number, because 26908894329 - 2⁵ = 26908894297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26908894829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15517527 + ... + 15519260.

It is an arithmetic number, because the mean of its divisors is an integer number (3176097972).

Almost surely, 2^26908894329 is an apocalyptic number.

It is an amenable number.

26908894329 is a deficient number, since it is larger than the sum of its proper divisors (11204281335).

26908894329 is a wasteful number, since it uses less digits than its factorization.

26908894329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036824 (or 31036807 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 26908894329 in words is "twenty-six billion, nine hundred eight million, eight hundred ninety-four thousand, three hundred twenty-nine".