797868868 has 6 divisors (see below), whose sum is σ = 1396270526. Its totient is φ = 398934432.

The previous prime is 797868857. The next prime is 797868893. The reversal of 797868868 is 868868797.

It can be written as a sum of positive squares in only one way, i.e., 651168324 + 146700544 = 25518^2 + 12112^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99733605 + ... + 99733612.

Almost surely, 2^797868868 is an apocalyptic number.

It is an amenable number.

797868868 is a deficient number, since it is larger than the sum of its proper divisors (598401658).

797868868 is a wasteful number, since it uses less digits than its factorization.

797868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199467221 (or 199467219 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 67.

The square root of 797868868 is about 28246.5726770523. The cubic root of 797868868 is about 927.4927137901.

The spelling of 797868868 in words is "seven hundred ninety-seven million, eight hundred sixty-eight thousand, eight hundred sixty-eight".