6897696967986 has 192 divisors, whose sum is σ = 16235087275008. Its totient is φ = 1948605120000.

The previous prime is 6897696967957. The next prime is 6897696968003.

6897696967986 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6897696967893 and 6897696967902.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 84063916 + ... + 84145928.

It is an arithmetic number, because the mean of its divisors is an integer number (84557746224).

Almost surely, 2^{6897696967986} is an apocalyptic number.

6897696967986 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6897696967986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8117543637504).

6897696967986 is an abundant number, since it is smaller than the sum of its proper divisors (9337390307022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6897696967986 is a wasteful number, since it uses less digits than its factorization.

6897696967986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82209 (or 82198 counting only the distinct ones).

The product of its digits is 159993501696, while the sum is 96.

The spelling of 6897696967986 in words is "six trillion, eight hundred ninety-seven billion, six hundred ninety-six million, nine hundred sixty-seven thousand, nine hundred eighty-six".