13855798667 has 8 divisors (see below), whose sum is σ = 14518725120. Its totient is φ = 13197913960.

The previous prime is 13855798597. The next prime is 13855798673. The reversal of 13855798667 is 76689755831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13855798667 - 2²² = 13851604363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13855498667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254809 + ... + 1265802.

It is an arithmetic number, because the mean of its divisors is an integer number (1814840640).

Almost surely, 2^13855798667 is an apocalyptic number.

13855798667 is a deficient number, since it is larger than the sum of its proper divisors (662926453).

13855798667 is a wasteful number, since it uses less digits than its factorization.

13855798667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520873.

The product of its digits is 76204800, while the sum is 65.

The spelling of 13855798667 in words is "thirteen billion, eight hundred fifty-five million, seven hundred ninety-eight thousand, six hundred sixty-seven".