6997817996267 has 8 divisors (see below), whose sum is σ = 7998537348576. Its totient is φ = 5997356410752.

The previous prime is 6997817996263. The next prime is 6997817996317. The reversal of 6997817996267 is 7626997187996.

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

It is not a de Polignac number, because 6997817996267 - 2² = 6997817996263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6997817996261) 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, 64383518 + ... + 64492115.

It is an arithmetic number, because the mean of its divisors is an integer number (999817168572).

Almost surely, 2^{6997817996267} is an apocalyptic number.

6997817996267 is a deficient number, since it is larger than the sum of its proper divisors (1000719352309).

6997817996267 is a wasteful number, since it uses less digits than its factorization.

6997817996267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128883397.

The product of its digits is 7777461888, while the sum is 86.

The spelling of 6997817996267 in words is "six trillion, nine hundred ninety-seven billion, eight hundred seventeen million, nine hundred ninety-six thousand, two hundred sixty-seven".