1678287296085 has 8 divisors (see below), whose sum is σ = 2685259673760. Its totient is φ = 895086557904.

The previous prime is 1678287296051. The next prime is 1678287296087. The reversal of 1678287296085 is 5806927828761.

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

It is not a de Polignac number, because 1678287296085 - 2¹⁹ = 1678286771797 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678287296087) 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, 55942909855 + ... + 55942909884.

It is an arithmetic number, because the mean of its divisors is an integer number (335657459220).

Almost surely, 2^{1678287296085} is an apocalyptic number.

1678287296085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1678287296085 is a deficient number, since it is larger than the sum of its proper divisors (1006972377675).

1678287296085 is a wasteful number, since it uses less digits than its factorization.

1678287296085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111885819747.

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 1678287296085 in words is "one trillion, six hundred seventy-eight billion, two hundred eighty-seven million, two hundred ninety-six thousand, eighty-five".