16878416483879 has 8 divisors (see below), whose sum is σ = 16941662995680. Its totient is φ = 16815173687200.

The previous prime is 16878416483867. The next prime is 16878416483891. The reversal of 16878416483879 is 97838461487861.

It is an interprime number because it is at equal distance from previous prime (16878416483867) and next prime (16878416483891).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16878416483879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16878416483809) 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, 8347814 + ... + 10170684.

It is an arithmetic number, because the mean of its divisors is an integer number (2117707874460).

Almost surely, 2^{16878416483879} is an apocalyptic number.

16878416483879 is a deficient number, since it is larger than the sum of its proper divisors (63246511801).

16878416483879 is a wasteful number, since it uses less digits than its factorization.

16878416483879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857561.

The product of its digits is 3121348608, while the sum is 80.

The spelling of 16878416483879 in words is "sixteen trillion, eight hundred seventy-eight billion, four hundred sixteen million, four hundred eighty-three thousand, eight hundred seventy-nine".