6878305618541 has 8 divisors (see below), whose sum is σ = 7860936695040. Its totient is φ = 5895678539088.

The previous prime is 6878305618531. The next prime is 6878305618543. The reversal of 6878305618541 is 1458165038786.

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-6878305618541 is a prime.

It is a super-2 number, since 2×6878305618541² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878305618543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5549420 + ... + 6674778.

It is an arithmetic number, because the mean of its divisors is an integer number (982617086880).

Almost surely, 2^{6878305618541} is an apocalyptic number.

It is an amenable number.

6878305618541 is a deficient number, since it is larger than the sum of its proper divisors (982631076499).

6878305618541 is a wasteful number, since it uses less digits than its factorization.

6878305618541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998523.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 6878305618541 in words is "six trillion, eight hundred seventy-eight billion, three hundred five million, six hundred eighteen thousand, five hundred forty-one".