797816845 has 8 divisors (see below), whose sum is σ = 1094148864. Its totient is φ = 547074384.

The previous prime is 797816843. The next prime is 797816849. The reversal of 797816845 is 548618797.

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

It is a cyclic number.

It is not a de Polignac number, because 797816845 - 2¹ = 797816843 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 (797816843) 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, 11397349 + ... + 11397418.

It is an arithmetic number, because the mean of its divisors is an integer number (136768608).

Almost surely, 2^797816845 is an apocalyptic number.

It is an amenable number.

797816845 is a deficient number, since it is larger than the sum of its proper divisors (296332019).

797816845 is a wasteful number, since it uses less digits than its factorization.

797816845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794779.

The product of its digits is 3386880, while the sum is 55.

The square root of 797816845 is about 28245.6517892578. The cubic root of 797816845 is about 927.4725550882.

The spelling of 797816845 in words is "seven hundred ninety-seven million, eight hundred sixteen thousand, eight hundred forty-five".