13478797266 has 64 divisors (see below), whose sum is σ = 30229079040. Its totient is φ = 3970676160.

The previous prime is 13478797231. The next prime is 13478797271. The reversal of 13478797266 is 66279787431.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4977885 + ... + 4980591.

It is an arithmetic number, because the mean of its divisors is an integer number (472329360).

Almost surely, 2^13478797266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13478797266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15114539520).

13478797266 is an abundant number, since it is smaller than the sum of its proper divisors (16750281774).

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

13478797266 is a wasteful number, since it uses less digits than its factorization.

13478797266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its digits is 21337344, while the sum is 60.

The spelling of 13478797266 in words is "thirteen billion, four hundred seventy-eight million, seven hundred ninety-seven thousand, two hundred sixty-six".