797663911 has 8 divisors (see below), whose sum is σ = 872962704. Its totient is φ = 722829120.

The previous prime is 797663899. The next prime is 797663927. The reversal of 797663911 is 119366797.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797663911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797663411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112396 + ... + 119281.

It is an arithmetic number, because the mean of its divisors is an integer number (109120338).

Almost surely, 2^797663911 is an apocalyptic number.

797663911 is a deficient number, since it is larger than the sum of its proper divisors (75298793).

797663911 is a wasteful number, since it uses less digits than its factorization.

797663911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232001.

The product of its digits is 428652, while the sum is 49.

The square root of 797663911 is about 28242.9444463569. The cubic root of 797663911 is about 927.4132887069.

The spelling of 797663911 in words is "seven hundred ninety-seven million, six hundred sixty-three thousand, nine hundred eleven".