13806564870 has 96 divisors (see below), whose sum is σ = 38887255008. Its totient is φ = 3127821312.

The previous prime is 13806564859. The next prime is 13806564899. The reversal of 13806564870 is 7846560831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124552 + ... + 207668.

It is an arithmetic number, because the mean of its divisors is an integer number (405075573).

Almost surely, 2^13806564870 is an apocalyptic number.

13806564870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13806564870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19443627504).

13806564870 is an abundant number, since it is smaller than the sum of its proper divisors (25080690138).

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

13806564870 is a wasteful number, since it uses less digits than its factorization.

13806564870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83254 (or 83247 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 13806564870 in words is "thirteen billion, eight hundred six million, five hundred sixty-four thousand, eight hundred seventy".