26908081612 has 48 divisors (see below), whose sum is σ = 48753129600. Its totient is φ = 12988834560.

The previous prime is 26908081601. The next prime is 26908081667. The reversal of 26908081612 is 21618080962.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330714 + ... + 3338782.

It is an arithmetic number, because the mean of its divisors is an integer number (1015690200).

Almost surely, 2^26908081612 is an apocalyptic number.

It is an amenable number.

26908081612 is a deficient number, since it is larger than the sum of its proper divisors (21845047988).

26908081612 is a wasteful number, since it uses less digits than its factorization.

26908081612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386 (or 8384 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 26908081612 in words is "twenty-six billion, nine hundred eight million, eighty-one thousand, six hundred twelve".