6978589813285 has 8 divisors (see below), whose sum is σ = 8480311672320. Its totient is φ = 5512202586384.

The previous prime is 6978589813267. The next prime is 6978589813289. The reversal of 6978589813285 is 5823189858796.

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 6978589813285 - 2⁷ = 6978589813157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (79).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978589813289) 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, 8833657597 + ... + 8833658386.

It is an arithmetic number, because the mean of its divisors is an integer number (1060038959040).

Almost surely, 2^{6978589813285} is an apocalyptic number.

It is an amenable number.

6978589813285 is a deficient number, since it is larger than the sum of its proper divisors (1501721859035).

6978589813285 is a wasteful number, since it uses less digits than its factorization.

6978589813285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17667316067.

The product of its digits is 2090188800, while the sum is 79.

The spelling of 6978589813285 in words is "six trillion, nine hundred seventy-eight billion, five hundred eighty-nine million, eight hundred thirteen thousand, two hundred eighty-five".