13470571278 has 48 divisors (see below), whose sum is σ = 30077794656. Its totient is φ = 4353860160.

The previous prime is 13470571277. The next prime is 13470571321. The reversal of 13470571278 is 87217507431.

13470571278 is a `hidden beast` number, since 1 + 3 + 4 + 7 + 0 + 571 + 2 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470571271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160623 + ... + 229653.

It is an arithmetic number, because the mean of its divisors is an integer number (626620722).

Almost surely, 2^13470571278 is an apocalyptic number.

13470571278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13470571278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15038897328).

13470571278 is an abundant number, since it is smaller than the sum of its proper divisors (16607223378).

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

13470571278 is a wasteful number, since it uses less digits than its factorization.

13470571278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69369 (or 69366 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 13470571278 in words is "thirteen billion, four hundred seventy million, five hundred seventy-one thousand, two hundred seventy-eight".