797821868937 has 16 divisors (see below), whose sum is σ = 1074770359040. Its totient is φ = 526377733632.

The previous prime is 797821868923. The next prime is 797821868957. The reversal of 797821868937 is 739868128797.

It is not a de Polignac number, because 797821868937 - 2²⁰ = 797820820361 is a prime.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797821868957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13803264 + ... + 13860942.

It is an arithmetic number, because the mean of its divisors is an integer number (67173147440).

Almost surely, 2^797821868937 is an apocalyptic number.

It is an amenable number.

797821868937 is a deficient number, since it is larger than the sum of its proper divisors (276948490103).

797821868937 is a wasteful number, since it uses less digits than its factorization.

797821868937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105312.

The product of its digits is 512096256, while the sum is 75.

The spelling of 797821868937 in words is "seven hundred ninety-seven billion, eight hundred twenty-one million, eight hundred sixty-eight thousand, nine hundred thirty-seven".