797843754841 has 15 divisors (see below), whose sum is σ = 930813393471. Its totient is φ = 683828560296.

The previous prime is 797843754839. The next prime is 797843754871. The reversal of 797843754841 is 148457348797.

The square root of 797843754841 is 893221.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 797143623241 + 700131600 = 892829^2 + 26460^2 .

It is not a de Polignac number, because 797843754841 - 2¹ = 797843754839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797843754871) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 43758715 + ... + 43776943.

Almost surely, 2^797843754841 is an apocalyptic number.

797843754841 is the 893221-st square number.

797843754841 is the 446611-st centered octagonal number.

It is an amenable number.

797843754841 is a deficient number, since it is larger than the sum of its proper divisors (132969638630).

797843754841 is an frugal number, since it uses more digits than its factorization.

797843754841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486 (or 18236 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 67.

The spelling of 797843754841 in words is "seven hundred ninety-seven billion, eight hundred forty-three million, seven hundred fifty-four thousand, eight hundred forty-one".