26966397696 has 288 divisors, whose sum is σ = 87676807680. Its totient is φ = 7182286848.

The previous prime is 26966397677. The next prime is 26966397727. The reversal of 26966397696 is 69679366962.

It is a self number, because there is not a number n which added to its sum of digits gives 26966397696.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9960375 + ... + 9963081.

It is an arithmetic number, because the mean of its divisors is an integer number (304433360).

Almost surely, 2^26966397696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26966397696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43838403840).

26966397696 is an abundant number, since it is smaller than the sum of its proper divisors (60710409984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26966397696 is a wasteful number, since it uses less digits than its factorization.

26966397696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2845 counting only the distinct ones).

The product of its digits is 238085568, while the sum is 69.

The spelling of 26966397696 in words is "twenty-six billion, nine hundred sixty-six million, three hundred ninety-seven thousand, six hundred ninety-six".