6997247198 has 8 divisors (see below), whose sum is σ = 10522853640. Its totient is φ = 3489629320.

The previous prime is 6997247149. The next prime is 6997247203. The reversal of 6997247198 is 8917427996.

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

It is a super-2 number, since 2×6997247198² = 97922936699837702408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6997247198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496168 + ... + 4497723.

It is an arithmetic number, because the mean of its divisors is an integer number (1315356705).

Almost surely, 2^6997247198 is an apocalyptic number.

6997247198 is a deficient number, since it is larger than the sum of its proper divisors (3525606442).

6997247198 is a wasteful number, since it uses less digits than its factorization.

6997247198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994282.

The product of its digits is 13716864, while the sum is 62.

The square root of 6997247198 is about 83649.5498971752. The cubic root of 6997247198 is about 1912.6803917617.

The spelling of 6997247198 in words is "six billion, nine hundred ninety-seven million, two hundred forty-seven thousand, one hundred ninety-eight".