13807866870831 has 8 divisors (see below), whose sum is σ = 20084169993984. Its totient is φ = 8368404164120.

The previous prime is 13807866870821. The next prime is 13807866870841.

It is a happy number.

13807866870831 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (13807866870821) and next prime (13807866870841).

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

It is not a de Polignac number, because 13807866870831 - 2⁵ = 13807866870799 is a prime.

It is a super-2 number, since 2×13807866870831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13807866870821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209210104071 + ... + 209210104136.

It is an arithmetic number, because the mean of its divisors is an integer number (2510521249248).

Almost surely, 2^{13807866870831} is an apocalyptic number.

13807866870831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13807866870831 is a deficient number, since it is larger than the sum of its proper divisors (6276303123153).

13807866870831 is a wasteful number, since it uses less digits than its factorization.

13807866870831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418420208221.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 13807866870831 in words is "thirteen trillion, eight hundred seven billion, eight hundred sixty-six million, eight hundred seventy thousand, eight hundred thirty-one".