873908122001 has 4 divisors (see below), whose sum is σ = 885879466212. Its totient is φ = 861936777792.

The previous prime is 873908121959. The next prime is 873908122013. The reversal of 873908122001 is 100221809378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100221809378 = 2 ⋅50110904689.

It can be written as a sum of positive squares in 2 ways, for example, as 739806414400 + 134101707601 = 860120^2 + 366199^2 .

It is a cyclic number.

It is not a de Polignac number, because 873908122001 - 2³⁰ = 872834380177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 873908122001.

It is not an unprimeable number, because it can be changed into a prime (873908128001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5985671996 + ... + 5985672141.

It is an arithmetic number, because the mean of its divisors is an integer number (221469866553).

Almost surely, 2^873908122001 is an apocalyptic number.

It is an amenable number.

873908122001 is a deficient number, since it is larger than the sum of its proper divisors (11971344211).

873908122001 is a wasteful number, since it uses less digits than its factorization.

873908122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11971344210.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 873908122001 in words is "eight hundred seventy-three billion, nine hundred eight million, one hundred twenty-two thousand, one".