6997897785316 has 27 divisors (see below), whose sum is σ = 12654403636707. Its totient is φ = 3386000212920.

The previous prime is 6997897785293. The next prime is 6997897785337. The reversal of 6997897785316 is 6135877987996.

The square root of 6997897785316 is 2645354.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 163990615 + ... + 164033281.

Almost surely, 2^{6997897785316} is an apocalyptic number.

6997897785316 is the 2645354-th square number.

It is an amenable number.

6997897785316 is a deficient number, since it is larger than the sum of its proper divisors (5656505851391).

6997897785316 is an frugal number, since it uses more digits than its factorization.

6997897785316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85400 (or 42700 counting only the distinct ones).

The product of its digits is 8641624320, while the sum is 85.

The spelling of 6997897785316 in words is "six trillion, nine hundred ninety-seven billion, eight hundred ninety-seven million, seven hundred eighty-five thousand, three hundred sixteen".